5:Programming Skills Introduction to the C Language: ~ TechnoBean

The C Language and its Advantages – The Structure of a C Program ‐ Data Types, Variables,

Constants ‐ Operands, Operators, and Arithmetic Expressions ‐ Input/ Output Management ‐ The

getchar() and putchar() Functions – Single ‐ character I/O – string I/O ‐ Formatted Input and output

Function.

Introduction ‐ goto statement – If ‐ else statement ‐ nested if ‐ else statement – switch statement ‐

for loop ‐ nested for loop ‐ while loop – do ‐ while loop – break statement ‐ continue statement ‐

exit() function. Functions: Introduction ‐ Call by Value and Call by Reference – return values –

recursion – Arrays ‐ Introduction to Arrays ‐ Initialization of Array ‐ Multi dimensional. Pointers –

Introduction – definition ‐ address operator ‐ pointer variables ‐ pointers to pointers ‐ pointers and

arrays: ‐ pointers and functions – Files – Introduction – File Structure ‐ File handling functions ‐ File

Types ‐ Error Handling – Structure – Introduction – declaring – initialization

Introduction to OOP, Class & Objects:

Object Oriented Programming Paradigm ‐ Basic Concepts of OOP ‐ Benefits of OOP ‐ Object

Oriented Languages ‐ Features of OOP ‐ How OOP Differ from Procedure Oriented Programming ‐

applications of OOP ‐ structure of C++ Program ‐ basic Data Types in C++ ‐ Operators in C++ ‐ Scope

Resolution Operator ‐ Member Dereferencing Operators – memory management operators ‐

Introduction of Classes ‐ Inline member functions – Objects ‐ Arrays of Objects ‐ Objects as

Function Arguments ‐ Static data member and static member functions – Constructors ‐

Parameterized Constructors – Default Argument constructors – Copy Constructors – Destructors –

Friend functions.

Objective Type Que

QuestionID : 17816 Subject Name DBT

Q1. Which of the following is not a feature of a CURSOR FOR loop?

1. Record type declaration

2. Opening and parsing of SQL statements

3. Fetches records from curso

4. Requires exit condition to be defined

Correct Answer : 4

QuestionID : 17832 Subject Name DBT

Q2. Which of the following trigger types will be impacted by constraining factors brought on by mutating tables?

1. Row triggers only

2. Statement triggers only

3. Both row and statement triggers

4. Neither row or statement triggers

Correct Answer : 1

QuestionID : 17873 Subject Name DBT

Q3. The owner of all data dictionary tables in Oracle is

1. SYSTEM

2. SYS

3. INTERNAL

4. Users

Correct Answer : 2

QuestionID : 17890 Subject Name DBT

Q4. The 3 different flavours of oracle8i are oracle8i Workgroup server,oracle8i Enterprise edition and ___________

1. oracle8i application server

2. Beginners oracle

3. personal oracle

4. business oracle

Correct Answer : 3

QuestionID : 17906 Subject Name DBT

Q5. _____DMLs require a user to specify what data is needed and how to get that data.

1. Non-procedural

2. Procedual

3. Both

4. None of above

Correct Answer : 2

QuestionID : 17934 Subject Name DBT

Q6. DML statements in a query language are translated into low level instruction by_________.

1. Embeded DML Compiler

2. DML Compiler

3. Query Processor

4. Query Evaluation Engine

Correct Answer : 2

QuestionID : 17973 Subject Name DBT

Q7. tables generated on compilation of data defination language are stored in

1. data abstraction

2. data file

3. data dictionary

4. meta data

Correct Answer : 4

QuestionID : 17989 Subject Name DBT

Q8. Which one of the following is not valid relational database

1. SYBASE

2. ORACLE

3. IMS

4. UNIFY

Correct Answer : 4

QuestionID : 18017 Subject Name DBT

Q9. User can not perform any DDL commands on SYNONYM except _________

1. create

2. alter

3. drop

4. None Of the Above

Correct Answer : 3

QuestionID : 18092 Subject Name DBT

Q10. long can store upto ____

1. 1 GB

2. 2 GB

3. 255 kb

4. 4 kb

Correct Answer : 2

QuestionID : 18096 Subject Name DBT

Q11. Create table mytable as select * from emp where 1=2

1. this will copy structure and not the data

2. this will copy structure and the data

3. Both A and B

4. Error

Correct Answer : 1

QuestionID : 18112 Subject Name DBT

Q12. The _____ function gives the largest integer smaller than or equal to value

1. FLOOR

2. CEIL

3. NVL

4. ROUND

Correct Answer : 1

QuestionID : 18120 Subject Name DBT

Q13. ____ command is used to delete data from table but preserves structure of table.

1. DROP

2. TRUNCATE

3. DELETE

4. Both A and B

Correct Answer : 2

QuestionID : 18142 Subject Name DBT

Q14. Which date function out of these is not going to return a value of DATE datatype

1. ADD_MONTHS

2. ROUND

3. MONTHS_BETWEEN

4. None of above

Correct Answer : 3

QuestionID : 18143 Subject Name DBT

Q15. Which of the following is not the aggregate function given in SQL?

1. avg

2. mean

3. max

4. sum

Correct Answer : 2

QuestionID : 18148 Subject Name DBT

Q16. To show user synonyms

1. select * from syn;

2. select * from user_synonyms;

3. both a and b

4. none

Correct Answer : 3

QuestionID : 18159 Subject Name DBT

Q17. Which is the attribute of implicit cursor?

1. SQL%ROWCOUNT

2. SQL%FOUND

3. SQL%NOTFOUND

4. All of the above

Correct Answer : 4

QuestionID : 18161 Subject Name DBT

Q18. To find information about trigger status , which of the following

1. ALL_TRIGGERS

2. ALL_OBJECTS

3. ALL_TRIGGER_COLS

4. ALL_SOURCE

Correct Answer : 3

QuestionID : 18163 Subject Name DBT

Q19. UPDATE OR DELETE O SOCCER_FAN_SNACKS. Which of the following keywords may be useful in your trigger source code to distinguish what should run and when ?

1. inserting

2. updating

3. deleting

4. truncating

Correct Answer : 2

QuestionID : 18195 Subject Name DBT

Q20. The CHECK_THEATER trigger of the THEATER table has been disabled.Which command can you issue to enable this trigger.

1. alter trigger CHECK_THEATER enable

2. enable trigger CHECK_THEATER

3. alter table CHECK_THEATER enable CHECK_THEATER

4. enable CHECK_THEATER

Correct Answer : 1

QuestionID : 18204 Subject Name DBT

Q21. What is the work of FETCH statment of PL/SQL

1. Fetching data from DB

2. Moving cursor from current to next Row

3. Both are correct

4. Both are wrong

Correct Answer : 1

QuestionID : 18233 Subject Name DBT

Q22. The two implicit variables available to trigger that contain row values before and after updates are________ and _______.

1. old,new

2. in,out

3. :new,:old

4. :in,:out

Correct Answer : 3

QuestionID : 18245 Subject Name DBT

Q23. __________ is used to give meaningful alternative name for database object.

1. Sequence

2. Savepoint

3. Copy

4. Synonym

Correct Answer : 4

QuestionID : 18251 Subject Name DBT

Q24. Which of the following parameter is used in procedure to return more than one value

1. in

2. out

3. both

4. none

Correct Answer : 2

QuestionID : 18263 Subject Name DBT

Q25. ---- IS A POINTER THAT SPECIFIES THE ACTUAL LOCATION OF LOB STORED OUTSIDE DATABASE

1. BFILE

2. LOCATOR

3. BOTH 1 and 2

4. NONE

Correct Answer : 2

QuestionID : 18273 Subject Name DBT

Q26. Which of following is Pseudo column?

1. Currval

2. Rowid

3. Rownum

4. All of above

Correct Answer : 4

QuestionID : 18347 Subject Name DBT

Q27. _________ process of Database is used to cleaning up temporary segment that are no longer in use.

1. System Manager(SMON)

2. Checkpoint(CKPT)

3. Process Monitor(PMON)

4. Archiever(ARCH)

Correct Answer : 1

QuestionID : 18365 Subject Name DBT

Q28. 2NF applies only to the tables with composite primary keys

Correct Answer : T

QuestionID : 18366 Subject Name DBT

Q29. The inner join (or equi join) is same as the natural join

Correct Answer : T

QuestionID : 18416 Subject Name DBT

Q30. No column of a Non-key preserved table can be modified through a view

Correct Answer : T

QuestionID : 18426 Subject Name DBT

Q31. The inner joins(or equi joins) is same as natural joins.

Correct Answer : T

QuestionID : 18434 Subject Name DBT

Q32. 1NF specifies that there should be repeatating groups

Correct Answer : F

QuestionID : 18519 Subject Name DBT

Q33. For a valid UNION of two result sets, the column names of the result sets should match

Correct Answer : F

QuestionID : 18522 Subject Name DBT

Q34. The UNIQUE and FOREGIN keys cannot have NULL values

Correct Answer : F

QuestionID : 18533 Subject Name DBT

Q35. The UNIQUE key cannot have NULL values

Correct Answer : F

QuestionID : 18541 Subject Name DBT

Q36. Using varchar2 saves disk space when compared to char

Correct Answer : T

QuestionID : 18543 Subject Name DBT

Q37. !=,<>,^= all denote same operation

Correct Answer : T

QuestionID : 18583 Subject Name DBT

Q38. A new coloumn can always be added in a table but a coloumn can be drop only oracle8i onwards.

Correct Answer : T

QuestionID : 18630 Subject Name DBT

Q39. pseudo column such as curval ,nextval,rownum and subqueries are not allowed in condition given by CHECK constraint

Correct Answer : T

QuestionID : 18651 Subject Name DBT

Q40. Inline view is not a schema object.

Correct Answer : T

QuestionID : 18674 Subject Name DBT

Q41. PL/SQL supports boolean data type.

Correct Answer : T

QuestionID : 18746 Subject Name DBT

Q42. SQLCODE function returns the error code for Exception.

Correct Answer : T

QuestionID : 18757 Subject Name DBT

Q43. RedoLog functioning is controlled by the mode in which database is running.

Correct Answer : T

QuestionID : 18858 Subject Name DBT

Q44. ROLLBACK cannot be fired from the SQL prompt without the SAVEPOINT clause.

Correct Answer : F

QuestionID : 18865 Subject Name DBT

Q45. The close statement disables the cursor and the active set becomes undefined.

Correct Answer : T

QuestionID : 18915 Subject Name DBT

Q46. The DELETE or MODIFY operations affect the Master table.

Correct Answer : F

QuestionID : 18942 Subject Name DBT

Q47. Privileges once given cannot be taken back by the owner of the object.

Correct Answer : F

QuestionID : 18947 Subject Name DBT

Q48. In an SQL attribute EXPLAIN function displays SQL statement statistics.

Correct Answer : F

QuestionID : 18956 Subject Name DBT

Q49. NUM[WIDTH] attributes sets the size(in bytes) of the increments in which SQL*Plus retrieves a LONG,CLOB or NCLOB value.

Correct Answer : F

QuestionID : 18959 Subject Name DBT

Q50. SQLN[UMBER] attribute sets the prompt for the second and subsequent lines of a SQL command or PL/SQL block.

Correct Answer : T

QuestionID : 13910 Subject Name C_CET

Q1. Find the output
void main()
{
printf(”%d”);
}

1. garbage

2. -1

3. 0

4. 1

Correct Answer : 3

QuestionID : 13912 Subject Name C_CET

Q2. ## in ‘C’ language represents …..

1. There is nothing like ## in ‘C’ language

2. It indicates starting of the directive

3. Token-Pasting Operator

4. Starting of a macro code

Correct Answer : 3

QuestionID : 13919 Subject Name C_CET

Q3. A null pointer is an un-initialized pointer?

Correct Answer : T

QuestionID : 13924 Subject Name C_CET

Q4. Identify the wrong statement

1. putchar(65)

2. putchar(`x`)

3. putchar("x")

4. putchar(`\n`)

Correct Answer : 3

QuestionID : 13966 Subject Name C_CET

Q5. What would be output of the following program
main()
{
printf(5+”Sunbeam Infotech”);
}

1. am Infotech

2. Sunbeam Infotech

3. error

4. none of the above

Correct Answer : 1

QuestionID : 13974 Subject Name C_CET

Q6. The macro va_start is used to initialize a pointer to the beginning of the list of fixed arguments

Correct Answer : F

QuestionID : 13975 Subject Name C_CET

Q7. Which header file should you include if you are to develop a function which can accept variable number of arguments?

1. vararg.h

2. stdlib.h

3. stdio.h

4. stdarg.h

Correct Answer : 4

QuestionID : 14037 Subject Name C_CET

Q8. void main()
{
int success();
int (*sun)();
sun = success;
(*sun)();
printf(“%d”,(*sun)());
}
int success()
{
printf(“Hello”);
return (3.33);
}

1. Hello 3 Hello 3

2. Hello 3

3. Hello Hello 3

4. compilation error

Correct Answer : 3

QuestionID : 14039 Subject Name C_CET

Q9. Aaa(){printf(“Hi”);}
Bbb(){printf(“Hello”);}
Ccc(){printf(“Bye”);}
void main()
{
int (*ptr[3])();
ptr[0] = Aaa;
ptr[1] = Bbb;
ptr[2] = Ccc;
ptr[2]();
}

1. Hello

2. Hi

3. Bye

4. Compilation error

Correct Answer : 3

QuestionID : 14116 Subject Name C_CET

Q10. struct temp
{
int a;
struct temp no_roll;
double c;
}obj;

1. Underscore cannot be used in variable declaration.

2. it will be compiled successfully.

3. obj must be a pointer to struct

4. error: struct variables cannot be included in its own structure

Correct Answer : 4

QuestionID : 14119 Subject Name C_CET

Q11. int takefirst(int a,int b,int c)
{
return (++a,b+2,c);
}
void main( )
{
static int m,n;
m = takefirst(n,m,n);
printf(“%d”,m);
}

1. 2

2. 1

3. 0

4. syntax error in the return statement

Correct Answer : 3

QuestionID : 14122 Subject Name C_CET

Q12. void main( )
{
int i,fun1( ),fun2,fun3;
int ( *f[3] )( );
f[0] = fun1;
f[1] = fun2;
f[2] = fun3;
for(i=0;i<3;i++)
( *f[i] )( );
}
fun1( )
{
printf(“SUNBEAM”);
fun2( );
}
fun2( )
{
printf(“INFOTECH”);
}
fun3( )
{
printf(“MARKET YARD”);
}

1. SUNBEAM INFOTECH MARKET YARD

2. SUNBEAM INFOTECH MARKET YARD

3. SUNBEAM INFOTECH INFOTECH MARKET YARD

4. Error: Invalid pointer assignment

Correct Answer : 3

QuestionID : 14123 Subject Name C_CET

Q13. void main()
{
printf("Today \r is a\7 great \t\r\\day");
}

1. \day a great

2. today is a great day

3. \daya great

4. is a great \day

Correct Answer : 3

QuestionID : 14128 Subject Name C_CET

Q14. new->data = 20;
new->next = temp->next;
temp->next= new;
The above code will –- the item (new) in the list.

1. insert

2. modify

3. delete

4. traverse

Correct Answer : 1

QuestionID : 14150 Subject Name C_CET

Q15. There can not be circular

1. singly linked list

2. queue

3. stack

4. tree

Correct Answer : 3

QuestionID : 14152 Subject Name C_CET

Q16. ---- sorting method is least efficient time complexity wise.

1. quick sort

2. merge sort

3. radix sort

4. bubble sort

Correct Answer : 4

QuestionID : 14189 Subject Name C_CET

Q17. What keyword covers unhandled possibilities?

1. all

2. contingency

3. default

4. other

Correct Answer : 3

QuestionID : 14193 Subject Name C_CET

Q18. Which of the following reads in a string named x with one hundred characters?

1. fgets(x, 101, stdin);

2. fgets(x, 100, stdin);

3. readline(x, 100, `\n`);

4. read(x);

Correct Answer : 1

QuestionID : 14229 Subject Name C_CET

Q19. Which among the following is a unconditional control structure

1. do-while

2. if-else

3. goto

4. for

Correct Answer : 3

QuestionID : 14230 Subject Name C_CET

Q20. The output of printf("%u", -1) is

1. -1

2. minimum int value

3. maximum int value

4. error message

Correct Answer : 3

QuestionID : 14237 Subject Name C_CET

Q21. Pointers are of

1. integer data type

2. character data type

3. unsigned integer datatypes

4. none of these

Correct Answer : 4

QuestionID : 14238 Subject Name C_CET

Q22. If the size of the array is less than the initializers then

1. extra values are being ignored

2. generates an error message

3. size of array is increased

4. size is neglected when values are given

Correct Answer : 2

QuestionID : 14300 Subject Name C_CET

Q23. Header files in C contain

1. Compiler commands

2. Library functions

3. Header information of C programs

4. Operators for files

Correct Answer : 2

QuestionID : 14303 Subject Name C_CET

Q24. Which of the following are tokens in C?

1. keywords

2. variables

3. constants

4. all of the above

Correct Answer : 4

QuestionID : 14306 Subject Name C_CET

Q25. the meaning of conversion character for data input is

1. data item is a long integer

2. data item is an unsigned decimal integer

3. data item is short integer

4. none of the above

Correct Answer : 3

QuestionID : 14374 Subject Name C_CET

Q26. void main( )
{
int i=107,x=5;
printf((x>7)?”%d”:”%c”,i);
}

1. compilation error

2. k

3. z

4. 107

Correct Answer : 2

QuestionID : 14376 Subject Name C_CET

Q27. If a=-11 and b=-3 what is the value of a%b?

1. 2

2. -2

3. 3

4. -3

Correct Answer : 2

QuestionID : 14431 Subject Name C_CET

Q28. %p format specifier in printf is used to print the

1. value of int type variable

2. value of double type variable

3. address of a variable

4. value of long double variable

Correct Answer : 1

QuestionID : 14435 Subject Name C_CET

Q29. The complete binary tree of height `n` has exactly --- elements.

1. n+1

2. 2n+1

3. 2^n+1

4. 2^n-1

Correct Answer : 4

QuestionID : 14444 Subject Name C_CET

Q30. If every non leaf node in a binary tree has nonempty left and right sub tree is termed as a ---- tree.

1. Balanced binary tree

2. right tree

3. strictly binary tree

4. non balanced tree

Correct Answer : 3

QuestionID : 14530 Subject Name C_CET

Q31. int show(int v)
{
if(v= =1||v= =0)
return 1;
if(v % 2==0)
return show(v/2) +2;
else
return show(v-2) +3;
}
void main( )
{
int z;
z = show(7);
printf(“%d”,z);
}

1. 11

2. 5

3. 10

4. infinite loop

Correct Answer : 3

QuestionID : 14534 Subject Name C_CET

Q32. void main( )
{
int i=1;
while(i<=32767)
{
printf(“%d”,i);
i++;
}
}

1. infinite loop

2. 1 2 .….32766

3. 1 2…...32767

4. 1 2…...32768

Correct Answer : 1

QuestionID : 14543 Subject Name C_CET

Q33. Which of the following statements is true regarding recursive functions?
i. It is also called as a circular definition.
ii. It occurs when a function calls another function more than once.
iii. It occurs when a statement within the function calls the function itself.
iv. A recursive function cannot have a return statement within it.

1. i and iii

2. i and ii

3. ii and iv

4. i, iii and iv

Correct Answer : 1

QuestionID : 14545 Subject Name C_CET

Q34. By default any real number in C is treated as

1. a float

2. a double

3. a long double

4. Depends on memory you are using

Correct Answer : 2

QuestionID : 14551 Subject Name C_CET

Q35. On error ftell( ) returns

1. 0

2. -1

3. -1L

4. 0L

Correct Answer : 3

QuestionID : 14553 Subject Name C_CET

Q36. The data structure that manages the activation record of a function is the

1. Heap

2. Stack

3. Queue

4. Linked list

Correct Answer : 2

QuestionID : 14631 Subject Name C_CET

Q37. What is the size of a file pointer?

1. 4 Bytes

2. 2 Bytes

3. We can’t determine the size of a file pointer.

4. The value returned by ftell() when the file pointer is at the end of the file.

Correct Answer : 2

QuestionID : 14632 Subject Name C_CET

Q38. What will be the output?
void main()
{
int p=10,q=20;
clrscr();
printf("%5d%5d",p&q,p&&q);
getch();
}

1. 0 0

2. 0 1

3. 1 0

4. 1 1

Correct Answer : 2

QuestionID : 14635 Subject Name C_CET

Q39. void main()
{
FILE *f1,*f2;
int troll,x;
char tname[20];
clrscr();
f1 = fopen("data.txt","w");
f2 = fopen("data.txt","r");
if (f2==0) {
printf("Error While Opening The File DATA.DAT");
exit(0);
}
while(1) {
printf("Enter Roll and Name : ");
scanf("%d %s",&troll,tname);
if(troll<=0) break;
fprintf(f1,"%d",troll);
}
clrscr();
while( fscanf(f2,"%d %s",&troll,tname)>0 )
printf("\n%5d%20s",troll,tname);
getch();
}
If input provided is as follows:
1 A
2 B
3 C
4 D
5 E
0 XX
,then what will be the output?

1. Same as that of input.

2. 1 A

3. 12345 XX

4. Blank Screen. i.e. No Output.

Correct Answer : 3

QuestionID : 14649 Subject Name C_CET

Q40. void main()
{
enum code
{
add;
delete;
modify;
unchanged;
};
typedef enum code CODE;
CODE c,d;
c = add;
d = modify;
printf(“c = %d d = %d”,c,d);
}

1. c = 0 d = 0

2. c = 1 d = 3

3. c = 0 d = 2

4. c = garbage value d = garbage value

Correct Answer : 3

QuestionID : 14656 Subject Name C_CET

Q41. What is true about strtok( ) function

1. returns a pointer to the first character of the first token in source

2. writes a null character into source immediately following the returned token.

3. Subsequent calls with null for the first argument will work through the

4. all of the above

Correct Answer : 4

QuestionID : 14660 Subject Name C_CET

Q42. Which of the following functions are ideally suited for reading the contents of a file record by record?

1. getc( )

2. gets( )

3. fread( )

4. fgets( )

Correct Answer : 3

QuestionID : 15352 Subject Name C_CET

Q43. main()
{
int 1,b;
int con;
1=b=2;
con (b==1) ? 1 : 0;
printf("%d",con);
} what will be the value of con?

1. 0

2. 1

3. Declaration error

4. 2

Correct Answer : 3

QuestionID : 15430 Subject Name C_CET

Q44. 1. main()
{
int c = 5;
printf("%d", main||c);
}

1. 1

2. 0

3. error

4. -1

Correct Answer : 1

QuestionID : 15434 Subject Name C_CET

Q45. Give the output of the program
void main()
{
unsigned i=1; /* unsigned char k= -1 = > k=255; */
signed j=-1; /* char k= -1 = > k=65535 */
/* unsigned or signed int k= -1 = >k=65535 */
if(i < j)
printf("less");
else
if(i > j)
printf("greater");
else
if(i==j)
printf("equal");
}

1. less

2. greater

3. equal

4. None of the above

Correct Answer : 1

QuestionID : 15517 Subject Name C_CET

Q46. void main()
{
struct { unsigned day:5;
unsigned month:4;
unsigned year:7;
}date;
date.day = 26;
date.month = 03;
date.year = 2001;
}

1. error: the structure is meaning less.

2. error: use = instead of colon in structure.

3. error: missing data type int from declarations.

4. will compile successfully.

Correct Answer : 4

QuestionID : 15519 Subject Name C_CET

Q47. The expression arr[var] can be expressed as

1. arr + *var

2. &arr + var

3. * (arr+var)

4. arr + var

Correct Answer : 3

QuestionID : 15521 Subject Name C_CET

Q48. When a string is passed by value to a function

1. works with a copy of string.

2. works with original address of a string.

3. cannot access the string.

4. cannot use a pointer to a string.

Correct Answer : 2

QuestionID : 15529 Subject Name C_CET

Q49. Overflow refers to

1. a queue growing larger than array size.

2. front of queue is equal to back.

3. both option 1 and option 2 above.

4. none of the above.

Correct Answer : 1

QuestionID : 15548 Subject Name C_CET

Q50. What do the function gcvt ( ) do?

1. Converts a string to an integer.

2. Converts an integer to a string

3. Converts a floating-point number to a string.

4. Converts a string to a floating-point number.

Correct Answer : 3

QuestionID : 13910 Subject Name C_CET

Q1. Find the output
void main()
{
printf(”%d”);
}

1. garbage

2. -1

3. 0

4. 1

Correct Answer : 3

QuestionID : 13914 Subject Name C_CET

Q2. The operator ~ gives you ……..

1. 2’s complement

2. 1’s complement in 16 bits

3. 1’s complement in 32 bits

4. 1’s complement in 4 bits

Correct Answer : 3

QuestionID : 13926 Subject Name C_CET

Q3. Which of the following gives the memory address of a pointer a?

1. a

2. *a

3. &a

4. address(a)

Correct Answer : 1

QuestionID : 13977 Subject Name C_CET

Q4. Will the following code work properly to fulfill the requirement of repositioning
the file pointer 50 bytes from the end of the file? Why ?

void main()
{
FILE *f;
f = fopen(“data.txt”, “r+” );
if (f = = 0)
{
printf(“Error In Opening The File.”);
exit(0);
}
fseek(f,0,2);
fseek(f,-50,1);
}

1. No, we can’t use fseek() in r+ mode.

2. No, fseek(f,0,2); should be replaced with fseek(f,-1,2);

3. Yes, it will fulfill our requirement.

4. No, fseek(f,-50,1); should be replaced with fseek(f,-50L,1);

Correct Answer : 4

QuestionID : 13978 Subject Name C_CET

Q5. p++ executes faster than p+1 because

1. p uses registers

2. p++ is a single instruction

3. ++ is faster than +

4. None of these

Correct Answer : 2

QuestionID : 14017 Subject Name C_CET

Q6. void main()
{
int goodluck(int,float);
int (*shine)(int,float);
shine = goodluck;
printf(“%d”,(*shine)(10,3.14));
}
int goodluck(int i,float f)
{
printf(“\n%d %f”,i,f);
return (4.56);
}

1. 10 3.14 4.56

2. 4 10 3.14

3. 10 3.14 4

4. can‘t say

Correct Answer : 3

QuestionID : 14025 Subject Name C_CET

Q7. void main()
{
void show();
void (*x)();
x= &show();
(*x)();
}
void show()
{
printf(“\nSunbeam Infotech”);
}

1. Sunbeam Infotech

2. Sunbeam

3. Sunbeam Infotech Sunbeam infotech

4. Compilation error

Correct Answer : 4

QuestionID : 14035 Subject Name C_CET

Q8. void main()
{
while(4<5)
printf(“Hi!”);
}

1. Hi!

2. Hi! Infinite number of times

3. No output

4. invalid while condition

Correct Answer : 2

QuestionID : 14041 Subject Name C_CET

Q9. void main()
{
char *buff;
buff = (char*)calloc(10);
printf(“Buff size = %d”,sizeof(buff));
}

1. 2

2. 10

3. 20

4. none of the above

Correct Answer : 1

QuestionID : 14047 Subject Name C_CET

Q10. C language is available for which of the following Operating Systems?

1. DOS

2. WINDOWS

3. UNIX

4. All of these

Correct Answer : 4

QuestionID : 14053 Subject Name C_CET

Q11. Which is a valid typecast?

1. a(char);

2. char(a);

3. (char)a;

4. to(char,a);

Correct Answer : 3

QuestionID : 14056 Subject Name C_CET

Q12. int main()
{
unsigned int i;
int j;
i=1;
for(j=0;j<2;j++)
{
i = i << 1;
printf(“%d ”,i);
}
for(j=0;j<2;j++)
{
i = i >> 1;
printf(“%d ”,i);
}
}

1. 2 4
2 1

2. 2 4
0 0

3. error

4. 4 2
1 2

Correct Answer : 1

QuestionID : 14073 Subject Name C_CET

Q13. void main()
{
char *s[] = {“Hello”,”Friends”};
char **point;
point = s;
printf(“%s”,++*point);
printf(“%s”,*point++);
printf(“%s”,++*point);
}

1. ello Hello Friends

2. ello Friends Hello

3. ello ello riends

4. ello ello Friends

Correct Answer : 3

QuestionID : 14123 Subject Name C_CET

Q14. void main()
{
printf("Today \r is a\7 great \t\r\\day");
}

1. \day a great

2. today is a great day

3. \daya great

4. is a great \day

Correct Answer : 3

QuestionID : 14129 Subject Name C_CET

Q15. struct node
{
int data;
struct node *llink;
struct node *rlink;
};
This structure can be used for

1. singly linked list

2. doubly linked list

3. doubly circular list

4. 2 and 3 both

Correct Answer : 4

QuestionID : 14130 Subject Name C_CET

Q16. Pointer of singly circular list with only one node will point to---

1. next node

2. previous node

3. same node

4. NULL

Correct Answer : 3

QuestionID : 14135 Subject Name C_CET

Q17. void main( )
{
enum days{mon,tue,wed,sat,sun };
enum days d1,d2,d3;
d1 = mon + sun;
d2 = wed – sat;
d3 = sun * tue;
printf(“%d %d %d”,d1,d2,d3);
}

1. 4 -1 4

2. 1 5 5

3. 0 4 4

4. compilation error

Correct Answer : 1

QuestionID : 14141 Subject Name C_CET

Q18. Which of the following statements is true regarding functions?

1. Any C program contains at least one function

2. A function can be defined inside another function

3. In a C program there can be more than one function with the same name.

4. A C program can have Zero number of functions.

Correct Answer : 1

QuestionID : 14164 Subject Name C_CET

Q19. What will be the output of the following:
main()
{
time_t t1,t2;
double diff,f;
int i=2;

time(&t1);
sleep(i);
time(&t2);

diff=difftime(t2,t1);
printf("%lf",diff);
}

1. 2

2. 1

3. 0

4. Nothing

Correct Answer : 1

QuestionID : 14165 Subject Name C_CET

Q20. Which of the following file opening modes would destroy the file being opened, if the file already exists on the disk?
i. “w”
ii. “wb”
iii. “wb+”
iv. “rb+”
v. “ab+”

1. i only

2. i, ii and iii

3. i and ii

4. i, ii, iii and v

Correct Answer : 2

QuestionID : 14187 Subject Name C_CET

Q21. Which is not a proper prototype?

1. double funct(char x)

2. void funct();

3. int funct(char x, char y);

4. char x();

Correct Answer : 1

QuestionID : 14196 Subject Name C_CET

Q22. the meaning of conversion character for data input is

1. data item is a long integer

2. data item is an unsigned decimal integer

3. data item is short integer

4. none of the above

Correct Answer : 3

QuestionID : 14220 Subject Name C_CET

Q23. Which properly declares a variable of struct foo?

1. struct foo;

2. struct foo var;

3. foo;

4. int foo;

Correct Answer : 2

QuestionID : 14223 Subject Name C_CET

Q24. The number of the relational operators in c language is

1. four

2. six

3. three

4. one

Correct Answer : 2

QuestionID : 14225 Subject Name C_CET

Q25. In c, a union is

1. memory location

2. memory store

3. memory screen

4. none of these

Correct Answer : 1

QuestionID : 14306 Subject Name C_CET

Q26. the meaning of conversion character for data input is

1. data item is a long integer

2. data item is an unsigned decimal integer

3. data item is short integer

4. none of the above

Correct Answer : 3

QuestionID : 14381 Subject Name C_CET

Q27. Let`s say that you insert a new node between two existing nodes in a singly linked list. Which link pointers do you think require a new value?
i. The one after the new node
ii. The one belonging to a new node.
iii. The one before the new node and the one after the new node.
iv. The one before the new node.

1. i, ii and iv

2. ii and iv

3. i, ii and iii

4. i and iii

Correct Answer : 2

QuestionID : 14428 Subject Name C_CET

Q28. void print(int *a, int *b, int *c, int *d, int *e,)
{
printf(“%d%d%d%d%d”,*a, *b, *c, *d, *e);
}
void main()
{
static int arr[] = {90,91,92,93,94,95,96,97};
int *ptr = arr+1;
print(++ptr, ptr--, ptr, ptr++, ++ptr);
}

1. 97 96 95 94 93

2. 93 93 93 93 92

3. 90 91 92 93 94

4. 93 93 93 92 92

Correct Answer : 4

QuestionID : 14436 Subject Name C_CET

Q29. void main( )
{
int x,y=2,z,a;
x = (y*=2)+(z=a=y);
printf(“%d”,x);
}

1. compilation error

2. 4

3. 8

4. 6

Correct Answer : 3

QuestionID : 14441 Subject Name C_CET

Q30. ---sorting method is least efficient.

1. quick sort

2. merge sort

3. radix sort

4. bubble sort

Correct Answer : 4

QuestionID : 14442 Subject Name C_CET

Q31. A sort which uses shifting technique is called -----.

1. insertion sort

2. selection sort

3. heap sort

4. quick sort

Correct Answer : 1

QuestionID : 14445 Subject Name C_CET

Q32. In a tree element with no child is called as

1. node

2. leaf node

3. root node

4. none of the above

Correct Answer : 2

QuestionID : 14551 Subject Name C_CET

Q33. On error ftell( ) returns

1. 0

2. -1

3. -1L

4. 0L

Correct Answer : 3

QuestionID : 14553 Subject Name C_CET

Q34. The data structure that manages the activation record of a function is the

1. Heap

2. Stack

3. Queue

4. Linked list

Correct Answer : 2

QuestionID : 14557 Subject Name C_CET

Q35. Integer division in C program results in

1. truncation

2. rounding

3. overflow

4. none

Correct Answer : 1

QuestionID : 14603 Subject Name C_CET

Q36. void main( )
{
struct s1
{
char *z;
int i;
struct s1 *p;
};
static struct s1 a[] = {{“Kerala”,6,a+2},{“Punjab”,5,a+1},{“Delhi”,4,a}};
struct s1 *ptr = a+1;
printf (“%s %s %s”, a[0].z, ptr->z, a[2].p->z);
}

1. Kerala Kerala Kerala

2. Kerala Punjab Delhi

3. Kerala Punjab Punjab

4. Kerala Punjab Kerala

Correct Answer : 4

QuestionID : 14606 Subject Name C_CET

Q37. void main( )
{
printf(“Hello”);
char far *p = 0x417;
*p = 64;
printf(“%d”,p);
}

1. Hello 0

2. 0 Hello

3. HELLO

4. compilation error

Correct Answer : 4

QuestionID : 14609 Subject Name C_CET

Q38. void main( )
{
char far *cash, *cheque;
printf(“%d %d”,sizeof(cash),sizeof(cheque));
}

1. 2 2

2. 4 4

3. 4 2

4. 2 4

Correct Answer : 3

QuestionID : 14612 Subject Name C_CET

Q39. What is the output of the following progamme?
void main()
{
int **p,*q,r=100;
clrscr();
p = (int**)malloc(sizeof(int*));
q = (int*)malloc(sizeof(int));
printf(“%5d%5d%5d%5d%5d%5d”,sizeof(p),sizeof(*p),sizeof(q), sizeof(*q), sizeof(r),sizeof(**p));
getch();
}

1. 2 2 2 2 2 2

2. 4 2 2 2 2 2

3. Run time error.

4. Compile time error.

Correct Answer : 1

QuestionID : 14629 Subject Name C_CET

Q40. void main()
{
FILE *f1,*f2;
int troll,x;
char tname[20];
clrscr();
f1 = fopen("data.txt","w");
f2 = fopen("data.txt","r");
if (f2==0) {
printf("Error While Opening The File DATA.DAT");
exit(0);
}
while(1) {
printf("Enter Roll and Name : ");
scanf("%d %s",&troll,tname);
if(troll<=0) break;
fprintf(f1,"%d %s ",troll,tname);
}
clrscr();
while( fscanf(f2,"%d %s",&troll,tname)>0 )
printf("\n%5d%20s",troll,tname);
getch();
}

If input provided is as follows:
1 A
2 B
3 C
4 D
5 E
0 XX
,then what will be the output?

1. 1 A
2 B
3 C
4 D
5 E

2. Compile time error

3. Run time error.

4. No Output i.e. blank screen

Correct Answer : 4

QuestionID : 14649 Subject Name C_CET

Q41. void main()
{
enum code
{
add;
delete;
modify;
unchanged;
};
typedef enum code CODE;
CODE c,d;
c = add;
d = modify;
printf(“c = %d d = %d”,c,d);
}

1. c = 0 d = 0

2. c = 1 d = 3

3. c = 0 d = 2

4. c = garbage value d = garbage value

Correct Answer : 3

QuestionID : 14655 Subject Name C_CET

Q42. 1. What will be the output of the following code
main()
{
char str1[]="Banglore-440010";
char str2[15];
strcpy(str2,"Pune ");
strncat(str2,str1,8);
printf("%s",str2);
}

1. Pune Banglore-440010

2. Pune Banglore

3. Banglore

4. Pune Ban

Correct Answer : 2

QuestionID : 14659 Subject Name C_CET

Q43. void main( )
{
int a=3,b=2,c=1,d;
d = a | b & c;
printf(“%d ”,d);
d = a | b & ~c;
printf(“%d ”,d);
}

1. 3 3

2. 1 2

3. 1 3

4. 3 2

Correct Answer : 1

QuestionID : 15347 Subject Name C_CET

Q44. How would you dynamically allocate a 2-D arrays of 3 rows and 4 columns such that we are able to access any element using 2 subscripts, as in arr[i][j]? Also the rows of the array should be stored in adjacent memory locations.

1. int **p, i ,j;
p=(int **) malloc(3 *sizeof(int *));
for(i=0; i<3; i++)
p[i]=p[0] + i * 4

2. int **p, i ,j;
p=(int **) malloc(3 * 4 * sizeof(int *));

3. int *p= (int **) malloc(3 * 4 * sizeof(int *));

4. int *p= (int *) malloc(3 * 4 * sizeof(int *));

Correct Answer : 1

QuestionID : 15514 Subject Name C_CET

Q45. What does the following means?
char *ptr = new char [2];

1. memory for two char will get allocated.

2. compilation error.

3. memory for one variable will get allocated.

4. None of the above.

Correct Answer : 1

QuestionID : 15517 Subject Name C_CET

Q46. void main()
{
struct { unsigned day:5;
unsigned month:4;
unsigned year:7;
}date;
date.day = 26;
date.month = 03;
date.year = 2001;
}

1. error: the structure is meaning less.

2. error: use = instead of colon in structure.

3. error: missing data type int from declarations.

4. will compile successfully.

Correct Answer : 4

QuestionID : 15529 Subject Name C_CET

Q47. Overflow refers to

1. a queue growing larger than array size.

2. front of queue is equal to back.

3. both option 1 and option 2 above.

4. none of the above.

Correct Answer : 1

QuestionID : 15547 Subject Name C_CET

Q48. What do the function itoa ( ) do?

1. Converts a string to an integer.

2. Converts an integer to a string

3. Converts a floating-point number to a string.

4. Converts a string to a floating-point number.

Correct Answer : 2

QuestionID : 15549 Subject Name C_CET

Q49. The function which can be used to convert an integer or a float to a string is

1. fprintf

2. sprintf

3. cprintf

4. printf

Correct Answer : 2

QuestionID : 15552 Subject Name C_CET

Q50. pow( ) function is present in ---- .

1. stdlib.h

2. stdio.h

3. complex.h

4. conio.h

Correct Answer : 3

QuestionID : 13912 Subject Name C_CET

Q1. ## in ‘C’ language represents …..

1. There is nothing like ## in ‘C’ language

2. It indicates starting of the directive

3. Token-Pasting Operator

4. Starting of a macro code

Correct Answer : 3

QuestionID : 13913 Subject Name C_CET

Q2. What will be the output ?

void main()
{
int cnt;
extern int tmparray[5];
clrscr();
for(cnt=0;cnt<5;cnt++)
printf(“%5d”,tmparray[cnt]);
}
int tmparray[5];

1. 5 garbage values

2. Compile time error

3. Run time error

4. 0 0 0 0 0

Correct Answer : 4

QuestionID : 13915 Subject Name C_CET

Q3. What will be the output ?
void main()
{
char str[] = “Hello Everybody”;
clrscr();
printf(“%5s”,str);
getch();
}

1. Hello

2. Garbage

3. Hello Everybody

4. compile time error

Correct Answer : 3

QuestionID : 13919 Subject Name C_CET

Q4. A null pointer is an un-initialized pointer?

Correct Answer : T

QuestionID : 13924 Subject Name C_CET

Q5. Identify the wrong statement

1. putchar(65)

2. putchar(`x`)

3. putchar("x")

4. putchar(`\n`)

Correct Answer : 3

QuestionID : 13963 Subject Name C_CET

Q6. #include < stdarg.h >
main()
{
varfiun(3,7,-11,0);
}
varfun(int n,…)
{
va_list ptr;
int num;
num = va_arg(ptr,int);
printf(“\n%d”,num);
}

1. 3

2. garbage value

3. 7

4. 0

Correct Answer : 2

QuestionID : 13966 Subject Name C_CET

Q7. What would be output of the following program
main()
{
printf(5+”Sunbeam Infotech”);
}

1. am Infotech

2. Sunbeam Infotech

3. error

4. none of the above

Correct Answer : 1

QuestionID : 13967 Subject Name C_CET

Q8. find the output
#include< alloc.h >
#define MAXROW 3
#define MAXCOL 4
main()
{
int (*p)[MAXCOL];
p = (int(*)[MAXCOL])malloc(MAXROW * sizeof(*p));
printf(“%d %d”,sizeof(p),sizeof(*p));

}

1. 24 2

2. 2 12

3. 2 8

4. 24 8

Correct Answer : 3

QuestionID : 13968 Subject Name C_CET

Q9. What would be output of the following program
main()
{
char str1[] = “Hello”;
char str2[] = “Hello”;
if(str1 == atr2)
printf(“\nEqual”);
else
printf(“\nUnequal”);
}

1. Equal

2. Unequal

3. Error

4. none of the above

Correct Answer : 2

QuestionID : 13969 Subject Name C_CET

Q10. Operators have hierarchy. It is used to know which operator

1. is most important

2. is used first

3. is faster

4. operates on large numbers

Correct Answer : 2

QuestionID : 13970 Subject Name C_CET

Q11. The bitwise AND operator is used for

1. Masking

2. Comparison

3. Division

4. Shifting bits

Correct Answer : 1

QuestionID : 13971 Subject Name C_CET

Q12. The bitwise OR operator is used to

1. set the desired bits to 1

2. set the desired bits to 0

3. divide numbers

4. multiply numbers

Correct Answer : 1

QuestionID : 13972 Subject Name C_CET

Q13. The associativity of ! operator is

1. Right to Left

2. Left to Right

3. (a) for Arithmetic and (b) for Relational

4. (a) for Relational and (b) for Arithmetic

Correct Answer : 1

QuestionID : 13973 Subject Name C_CET

Q14. What will be the output of the expression 11 ^ 5

1. 5

2. 6

3. 11

4. none of the above

Correct Answer : 4

QuestionID : 13974 Subject Name C_CET

Q15. The macro va_start is used to initialize a pointer to the beginning of the list of fixed arguments

Correct Answer : F

QuestionID : 13975 Subject Name C_CET

Q16. Which header file should you include if you are to develop a function which can accept variable number of arguments?

1. vararg.h

2. stdlib.h

3. stdio.h

4. stdarg.h

Correct Answer : 4

QuestionID : 13989 Subject Name C_CET

Q17. main()
{
unsigned int a = 0xffff;
~a;
printf("%x",a);
}

1. ffff

2. 0000

3. 00ff

4. none of the above

Correct Answer : 1

QuestionID : 14025 Subject Name C_CET

Q18. void main()
{
void show();
void (*x)();
x= &show();
(*x)();
}
void show()
{
printf(“\nSunbeam Infotech”);
}

1. Sunbeam Infotech

2. Sunbeam

3. Sunbeam Infotech Sunbeam infotech

4. Compilation error

Correct Answer : 4

QuestionID : 14031 Subject Name C_CET

Q19. void main()
{
int i;
printf(“%d”,i^i);
}

1. 1

2. 0

3. Unexpected

4. runtime error

Correct Answer : 2

QuestionID : 14038 Subject Name C_CET

Q20. void main(argc,argv)
{
int argc;
char *argv[10];
printf(“hello”);
}

1. hello

2. multiple declaration

3. runtime error

4. unknown size error

Correct Answer : 2

QuestionID : 14040 Subject Name C_CET

Q21. void main()
{
int i =20,j=30;
i ^ = j;
j ^ = i;
i ^ = j;
printf(“%d %d”,i,j);
}

1. 20 20

2. 20 30

3. 30 30

4. 30 20

Correct Answer : 4

QuestionID : 14049 Subject Name C_CET

Q22. The continue command cannot be used with

1. for

2. switch

3. do

4. while

Correct Answer : 2

QuestionID : 14050 Subject Name C_CET

Q23. In what order do the two command line variables appear in the definition of main?

1. Count then argument array

2. Argument array then count

3. They do not appear in the definition of main

4. There is only one argument.

Correct Answer : 1

QuestionID : 14054 Subject Name C_CET

Q24. Which of the following is false?

1. 1

2. -1

3. .1

4. none of the above

Correct Answer : 4

QuestionID : 14055 Subject Name C_CET

Q25. Evaluate !(1 && !(0 || 1))

Correct Answer : T

QuestionID : 14073 Subject Name C_CET

Q26. void main()
{
char *s[] = {“Hello”,”Friends”};
char **point;
point = s;
printf(“%s”,++*point);
printf(“%s”,*point++);
printf(“%s”,++*point);
}

1. ello Hello Friends

2. ello Friends Hello

3. ello ello riends

4. ello ello Friends

Correct Answer : 3

QuestionID : 14114 Subject Name C_CET

Q27. --- is a efficient data structure for flexible data storage

1. static array

2. linked list

3. structure

4. queue

Correct Answer : 2

QuestionID : 14116 Subject Name C_CET

Q28. struct temp
{
int a;
struct temp no_roll;
double c;
}obj;

1. Underscore cannot be used in variable declaration.

2. it will be compiled successfully.

3. obj must be a pointer to struct

4. error: struct variables cannot be included in its own structure

Correct Answer : 4

QuestionID : 14117 Subject Name C_CET

Q29. Let sizeof(int) = 4 and sizeof(long) = 8
What will be the sizeof(struct SUN);
Struct SUN
{
int XML[2];
union
{
char ITS[7];
int practice;
}student;
long VB;
char Java;
};

1. 32

2. 28

3. 24

4. system dependent

Correct Answer : 3

QuestionID : 14122 Subject Name C_CET

Q30. void main( )
{
int i,fun1( ),fun2,fun3;
int ( *f[3] )( );
f[0] = fun1;
f[1] = fun2;
f[2] = fun3;
for(i=0;i<3;i++)
( *f[i] )( );
}
fun1( )
{
printf(“SUNBEAM”);
fun2( );
}
fun2( )
{
printf(“INFOTECH”);
}
fun3( )
{
printf(“MARKET YARD”);
}

1. SUNBEAM INFOTECH MARKET YARD

2. SUNBEAM INFOTECH MARKET YARD

3. SUNBEAM INFOTECH INFOTECH MARKET YARD

4. Error: Invalid pointer assignment

Correct Answer : 3

QuestionID : 14125 Subject Name C_CET

Q31. Recursion technique uses data structure

1. stack

2. queue

3. heap

4. linked list

Correct Answer : 1

QuestionID : 14126 Subject Name C_CET

Q32. When a liner queue said to be empty?

1. front = rear

2. front = rear-1

3. front = rear+1

4. rear = front + 1

Correct Answer : 1

QuestionID : 14129 Subject Name C_CET

Q33. struct node
{
int data;
struct node *llink;
struct node *rlink;
};
This structure can be used for

1. singly linked list

2. doubly linked list

3. doubly circular list

4. 2 and 3 both

Correct Answer : 4

QuestionID : 14130 Subject Name C_CET

Q34. Pointer of singly circular list with only one node will point to---

1. next node

2. previous node

3. same node

4. NULL

Correct Answer : 3

QuestionID : 14133 Subject Name C_CET

Q35. What do you think is true about queue data structure?
i. it is a LILO data structure
ii. elements from queue are deleted from the rear end
iii. we can design a circular queue

1. i and ii

2. i and iii

3. i, ii and iii

4. i only

Correct Answer : 2

QuestionID : 14138 Subject Name C_CET

Q36. enum records{one,two=4,three,four=4};
void main( )
{
printf(“%d %d %d %d”, one,two,three,four);
}

1. 0 4 5 4

2. 1 4 3 4

3. 1 4 5 4

4. 0 4 3 4

Correct Answer : 1

QuestionID : 14141 Subject Name C_CET

Q37. Which of the following statements is true regarding functions?

1. Any C program contains at least one function

2. A function can be defined inside another function

3. In a C program there can be more than one function with the same name.

4. A C program can have Zero number of functions.

Correct Answer : 1

QuestionID : 14150 Subject Name C_CET

Q38. There can not be circular

1. singly linked list

2. queue

3. stack

4. tree

Correct Answer : 3

QuestionID : 14151 Subject Name C_CET

Q39. Efficiency of sorting method depends on

1. programming time

2. execution time

3. memory or auxiliary space required for the program

4. algorithm

Correct Answer : 4

QuestionID : 14153 Subject Name C_CET

Q40. void main( )
{
int a[] = {1,2,3,4,5},j;
for(j=0;j<5;j++)
{
printf(“%d”,a[j]);
a++;
}
}

1. 1 2 3 4 5

2. 1 3 5

3. 1 2 3 4

4. compilation error

Correct Answer : 4

QuestionID : 14154 Subject Name C_CET

Q41. void main( )
{
struct node
{
int data;
struct *link;
};
struct node node1,node2;
*node1 = malloc(sizeof(struct node));
*node2 = malloc(sizeof(struct node));
node1->data = 30;
node1->link = node2;
node2->data = 40;
node2->link = NULL;
printf(“\n%d”,node1->data);
node1 = node2->link;
printf(“%d”,node1->data);
}

1. 30 40

2. 40 30

3. 30 0

4. error: Illegal structure operation in main

Correct Answer : 4

QuestionID : 14165 Subject Name C_CET

Q42. Which of the following file opening modes would destroy the file being opened, if the file already exists on the disk?
i. “w”
ii. “wb”
iii. “wb+”
iv. “rb+”
v. “ab+”

1. i only

2. i, ii and iii

3. i and ii

4. i, ii, iii and v

Correct Answer : 2

QuestionID : 14188 Subject Name C_CET

Q43. Which of the following is a complete function?

1. int funct();

2. int funct(int x) {return x=x+1;}

3. void funct(int) { printf( "Hello");

4. void funct(x) { printf( "Hello"); }

Correct Answer : 2

QuestionID : 14190 Subject Name C_CET

Q44. Which of the following gives the memory address of a pointer a?

1. a

2. *a

3. &a

4. address(a)

Correct Answer : 1

QuestionID : 14192 Subject Name C_CET

Q45. Which of the following gives the memory address of the first element in array foo, an array
with 100 elements?

1. foo[0]

2. foo

3. &foo

4. foo[1]

Correct Answer : 2

QuestionID : 14193 Subject Name C_CET

Q46. Which of the following reads in a string named x with one hundred characters?

1. fgets(x, 101, stdin);

2. fgets(x, 100, stdin);

3. readline(x, 100, `\n`);

4. read(x);

Correct Answer : 1

QuestionID : 14195 Subject Name C_CET

Q47. find the output:
void sp_to_dash(const char *str);
int main(void)
{
sp_to_dash(“This is a test”);
return 0;
}
void sp_to_dash(const char *str)
{
while(*str)
{
if(*str==’ ‘) *str = ‘-‘;
printf(“%c”,*str);
str++;
} }

1. This-is-a-test

2. Error message

3. This is a test

4. None of the above

Correct Answer : 2

QuestionID : 14196 Subject Name C_CET

Q48. the meaning of conversion character for data input is

1. data item is a long integer

2. data item is an unsigned decimal integer

3. data item is short integer

4. none of the above

Correct Answer : 3

QuestionID : 14210 Subject Name C_CET

Q49. Which is a good use for typecasting?

1. To allow division of two integers to return a decimal value.

2. To allow your program to use nothing but integers.

3. To change the return type of a function.

4. To swap variables rapidly.

Correct Answer : 1

QuestionID : 14218 Subject Name C_CET

Q50. Which of the following is a properly defined struct?

1. struct {int a;}

2. struct a_struct {int a;}

3. struct a_struct int a;

4. struct a_struct {int a;};

Correct Answer : 4

QuestionID : 14233 Subject Name C_CET

Q51. The printf() function retunes which value when an error occurs?

1. Positive value

2. zero

3. negative value

4. none of these

Correct Answer : 3

QuestionID : 14299 Subject Name C_CET

Q52. A structure

1. can be read as a single entity

2. cannot be read as a single entity

3. can be displayed as a single entity

4. has member variables that cannot be read individually

Correct Answer : 2

QuestionID : 14301 Subject Name C_CET

Q53. Which of the following is a Scalar Data type

1. float

2. union

3. array

4. pointer

Correct Answer : 1

QuestionID : 14303 Subject Name C_CET

Q54. Which of the following are tokens in C?

1. keywords

2. variables

3. constants

4. all of the above

Correct Answer : 4

QuestionID : 14307 Subject Name C_CET

Q55. Identify the invalid pointer arithmetic

1. Addition of float value to a pointer

2. Comparison of pointers that do not point to the element of the same array

3. Subtracting an integer from a pointer

4. Assigning the value 0 to a pointer variable

Correct Answer : 1

QuestionID : 14367 Subject Name C_CET

Q56. void main( )
{
int i=0,j;
j = ++i+i++/i+i--;
printf(“%d”,j);
}

1. 4

2. 5

3. garbage

4. 3

Correct Answer : 4

QuestionID : 14369 Subject Name C_CET

Q57. void main( )
{
int red=0,pink;
pink =~red;
printf(“%d”,pink);
}

1. -32768

2. -1

3. 1111

4. compilation error

Correct Answer : 2

QuestionID : 14375 Subject Name C_CET

Q58. void main( )
{
int a=10,b;
b = a<<2;
printf(“%d”,b);
}

1. 2

2. 20

3. 40

4. 5

Correct Answer : 3

QuestionID : 14430 Subject Name C_CET

Q59. Which of the following statement provides exit-controlled looping?

1. while statement

2. do-while statement

3. for statement

4. goto statement

Correct Answer : 4

QuestionID : 14432 Subject Name C_CET

Q60. The queue implemented with a linked list keeping track of a front pointer and a rear pointer. Which of these pointers will change during an insertion into a NONEMPTY queue?

1. Neither changes

2. Only front ptr changes

3. Only rear ptr changes

4. Both changes

Correct Answer : 3

QuestionID : 14433 Subject Name C_CET

Q61. void **p will be incremented by how many bytes?

1. 1

2. 2

3. 0

4. 4

Correct Answer : 2

QuestionID : 14434 Subject Name C_CET

Q62. The degree of a leaf node in a general tree is

1. 0

2. -1

3. 1

4. can not say

Correct Answer : 1

QuestionID : 14435 Subject Name C_CET

Q63. The complete binary tree of height `n` has exactly --- elements.

1. n+1

2. 2n+1

3. 2^n+1

4. 2^n-1

Correct Answer : 4

QuestionID : 14439 Subject Name C_CET

Q64. A--- sort is one in which successive elements are chosen in order and placed into their proper sorted position.

1. bubble

2. selection

3. radix

4. shell

Correct Answer : 2

QuestionID : 14440 Subject Name C_CET

Q65. Which can be used as an external sorting method.

1. Bubble sort

2. Insertion sort

3. Merge sort

4. Selection sort

Correct Answer : 3

QuestionID : 14441 Subject Name C_CET

Q66. ---sorting method is least efficient.

1. quick sort

2. merge sort

3. radix sort

4. bubble sort

Correct Answer : 4

QuestionID : 14443 Subject Name C_CET

Q67. Which of the following sorting methods have highest memory complexity?

1. Bubble sort

2. Insertion sort

3. Quick sort

4. Merge sort

Correct Answer : 4

QuestionID : 14446 Subject Name C_CET

Q68. In a singly linked list, if a new node is to be inserted between two consecutive nodes how many links have to be modified?

1. 1

2. 2

3. 3

4. 4

Correct Answer : 2

QuestionID : 14530 Subject Name C_CET

Q69. int show(int v)
{
if(v= =1||v= =0)
return 1;
if(v % 2==0)
return show(v/2) +2;
else
return show(v-2) +3;
}
void main( )
{
int z;
z = show(7);
printf(“%d”,z);
}

1. 11

2. 5

3. 10

4. infinite loop

Correct Answer : 3

QuestionID : 14535 Subject Name C_CET

Q70. There can not be circular

1. Singly linked list

2. Queue

3. Stack

4. Tree

Correct Answer : 3

QuestionID : 14536 Subject Name C_CET

Q71. void main( )
{
display( ); }
void display( )
{
printf(“Hello”);
}

1. Hello

2. Error: `display( )` should have a prototype

3. Error: type mismatch in redeclaration of `display( )`

4. both b and c

Correct Answer : 3

QuestionID : 14541 Subject Name C_CET

Q72. In case of a linked list

1. arrays are used to hold the list

2. every link node has a link to the next node

3. links have array of pointer to next link

4. all of the above

Correct Answer : 2

QuestionID : 14553 Subject Name C_CET

Q73. The data structure that manages the activation record of a function is the

1. Heap

2. Stack

3. Queue

4. Linked list

Correct Answer : 2

QuestionID : 14555 Subject Name C_CET

Q74. Associativity of unary minus is

1. right to left

2. left to right

3. any direction

4. none of the above

Correct Answer : 1

QuestionID : 14604 Subject Name C_CET

Q75. void main( )
{
struct a
{
int i;
char ch;
};
struct a var1 = {10,`A`}, var2 = {50,`Z`};
char *ptr;
ptr = (char *)&var1;
var2 = var1;
printf(“%d %c”,var2.i,var2.ch);
}

1. 50 Z

2. garbage values

3. 10 A

4. compilation error

Correct Answer : 3

QuestionID : 14607 Subject Name C_CET

Q76. void main( )
{
char *p = “Happy Birthday”;
char *s, *t;
t = malloc(sizeof(char *));
s = p;
while(*s)
t++ = s++;
printf(“%s”,t);
}

1. Garbage

2. Happy Birthday

3. No output

4. Error: Lvalue Required in main

Correct Answer : 4

QuestionID : 14608 Subject Name C_CET

Q77. void main( )
{
struct num1
{
char ch[7];
char *s;
};
struct num2
{
char *c;
struct num1 s1;
};
static struct num2 s2 = {“apple”,”orange”,”lemon”};
printf(“%s %s”,s2.c,s2.s1.s);
printf(“%s %s”,s2.c++,++s2.s1.s);
}

1. apple lemon orange

2. apple lemon apple orange

3. apple lemon pple emon

4. apple lemon apple emon

Correct Answer : 4

QuestionID : 14612 Subject Name C_CET

Q78. What is the output of the following progamme?
void main()
{
int **p,*q,r=100;
clrscr();
p = (int**)malloc(sizeof(int*));
q = (int*)malloc(sizeof(int));
printf(“%5d%5d%5d%5d%5d%5d”,sizeof(p),sizeof(*p),sizeof(q), sizeof(*q), sizeof(r),sizeof(**p));
getch();
}

1. 2 2 2 2 2 2

2. 4 2 2 2 2 2

3. Run time error.

4. Compile time error.

Correct Answer : 1

QuestionID : 14613 Subject Name C_CET

Q79. What is the correct sytanx for allocating memory for a 2-D pointer?
int **p,*q,r=100;

1. P = (int*)malloc(sizeof(int*));

2. P = (int*)malloc(sizeof(int**));

3. P = (int**)malloc(sizeof(int*));

4. None of the above

Correct Answer : 3

QuestionID : 14628 Subject Name C_CET

Q80. What will be the output?
void main()
{
struct student
{
int roll;
char name[20];
}*p;
clrscr();
p = (struct student*)malloc(sizeof(struct student));
printf("Enter Roll : ");
scanf("%d",&p->roll); /* Assume 14 as input */
printf("Enter Name : "); /* Assume Shital as input */
scanf("%s",&p->name);
printf("%5d%20s",p->roll,p->name);
getch();
}

1. 14 Shital

2. 14 Garbage

3. Compiler dependent

4. Run time error.

Correct Answer : 1

QuestionID : 14632 Subject Name C_CET

Q81. What will be the output?
void main()
{
int p=10,q=20;
clrscr();
printf("%5d%5d",p&q,p&&q);
getch();
}

1. 0 0

2. 0 1

3. 1 0

4. 1 1

Correct Answer : 2

QuestionID : 14633 Subject Name C_CET

Q82. void main( )
{
struct num
{
unsigned bit0:1;
unsigned bit1:1;
unsigned bit2:1;
unsigned rest:5;
};
union a
{
struct num n;
char ch;
}b;
b.ch=32;
printf(“%d %d %d %d”,b.n.bit0, b.n.bit1, b.n.bit2, b.n.rest);
}

1. error

2. 1 1 1 5

3. 0 0 0 4

4. no output

Correct Answer : 3

QuestionID : 14634 Subject Name C_CET

Q83. void main()
{
FILE *f1,*f2;
int troll,x;
char tname[20];
clrscr();
f1 = fopen("data.txt","w");
f2 = fopen("data.txt","r");
f1 = f2;
if (f2==0) {
printf("Error While Opening The File DATA.DAT");
exit(0);
}
while(1) {
printf("Enter Roll and Name : ");
scanf("%d %s",&troll,tname);
if(troll<=0) break;
fprintf(f1,"%d %s ",troll,tname);
}
fclose(f1);
while( fscanf(f2,"%d %s",&troll,tname)>0 )
printf("\n%5d%20s",troll,tname);
}
If input provided is as follows:
1 A
2 B
3 C
4 D
5 E
0 XX
,then what will be the output?

1. Same as that of input provided.

2. Run time error.

3. No Ouput. i.e. Blank Screen.

4. Infinite execution of a programme.

Correct Answer : 3

QuestionID : 14648 Subject Name C_CET

Q84. void main( )
{
printf(“%f”,(float)((int)((float)((int)6.5/2+3.5))-3.5));
}

1. 2

2. 3.500000

3. 2.500000

4. 3.5

Correct Answer : 3

QuestionID : 14650 Subject Name C_CET

Q85. void main()
{
int i=+1;
while(~i)
printf(“Sunbeam”);

}

1. Sunbeam…. printfed only once

2. no output

3. Sunbeam … printed twice

4. Sunbeam … printed infinite no of times

Correct Answer : 4

QuestionID : 15346 Subject Name C_CET

Q86. If we use following printf(“%d”,num); to print a long int we will get warning message.

Correct Answer : F

QuestionID : 15347 Subject Name C_CET

Q87. How would you dynamically allocate a 2-D arrays of 3 rows and 4 columns such that we are able to access any element using 2 subscripts, as in arr[i][j]? Also the rows of the array should be stored in adjacent memory locations.

1. int **p, i ,j;
p=(int **) malloc(3 *sizeof(int *));
for(i=0; i<3; i++)
p[i]=p[0] + i * 4

2. int **p, i ,j;
p=(int **) malloc(3 * 4 * sizeof(int *));

3. int *p= (int **) malloc(3 * 4 * sizeof(int *));

4. int *p= (int *) malloc(3 * 4 * sizeof(int *));

Correct Answer : 1

QuestionID : 15348 Subject Name C_CET

Q88. What is true calloc() about function?

1. calloc() will set each element with a value 0.

2. calloc() needs two arguments number of elements and size of each element.

3. Option a & b is true.

4. None of the above.

Correct Answer : 3

QuestionID : 15350 Subject Name C_CET

Q89. How much maximum memory can we allocate in a single call to malloc( )?

1. 128 KB

2. 64KB

3. 164KB

4. 1GB

Correct Answer : 2

QuestionID : 15352 Subject Name C_CET

Q90. main()
{
int 1,b;
int con;
1=b=2;
con (b==1) ? 1 : 0;
printf("%d",con);
} what will be the value of con?

1. 0

2. 1

3. Declaration error

4. 2

Correct Answer : 3

QuestionID : 15432 Subject Name C_CET

Q91. What will be the output of the following program
void main(void)
{
unsigned int c;
unsigned x=0x3;
scanf("%u",&c);
switch(c&x)
{
case 3: printf("Hello!t");
case 2: printf("Welcomet");
case 1: printf("To Allt");
default:printf("n");
}

1. Hello!t

2. Hello!tWelcomet

3. Hello!tWelcometTo Allt

4. Non of the above

Correct Answer : 4

QuestionID : 15434 Subject Name C_CET

Q92. Give the output of the program
void main()
{
unsigned i=1; /* unsigned char k= -1 = > k=255; */
signed j=-1; /* char k= -1 = > k=65535 */
/* unsigned or signed int k= -1 = >k=65535 */
if(i < j)
printf("less");
else
if(i > j)
printf("greater");
else
if(i==j)
printf("equal");
}

1. less

2. greater

3. equal

4. None of the above

Correct Answer : 1

QuestionID : 15435 Subject Name C_CET

Q93. main()

{
int y = 7;
int x;
clrscr();
y+=x++;
printf("%d",y);
}

1. Undetermined value

2. 8

3. Illegal Assignment

4. 7

Correct Answer : 1

QuestionID : 15436 Subject Name C_CET

Q94. What is wrong with this?
main(){
int *ptr;
*ptr=10;
}

1. Incorrect assignment

2. incorrect and will not compile

3. 10

4. This program compiles fine. But, has unpredictable behaviour at run time

Correct Answer : 4

QuestionID : 15521 Subject Name C_CET

Q95. When a string is passed by value to a function

1. works with a copy of string.

2. works with original address of a string.

3. cannot access the string.

4. cannot use a pointer to a string.

Correct Answer : 2

QuestionID : 15527 Subject Name C_CET

Q96. Stacks can be implemented as

1. vector

2. list

3. deque

4. all of the above.

Correct Answer : 4

QuestionID : 15529 Subject Name C_CET

Q97. Overflow refers to

1. a queue growing larger than array size.

2. front of queue is equal to back.

3. both option 1 and option 2 above.

4. none of the above.

Correct Answer : 1

QuestionID : 15550 Subject Name C_CET

Q98. Which of the following algorithm is used in qsort() function

1. Radix sort

2. Selection sort

3. Quick sort

4. Insertion sort

Correct Answer : 3

QuestionID : 15552 Subject Name C_CET

Q99. pow( ) function is present in ---- .

1. stdlib.h

2. stdio.h

3. complex.h

4. conio.h

Correct Answer : 3

QuestionID : 15553 Subject Name C_CET

Q100. random(num) is a macro defined in

1. stdio.h

2. stdlib.h

3. math.h

4. conio.h

Correct Answer : 2

QuestionID : 13910 Subject Name C_CET

Q1. Find the output
void main()
{
printf(”%d”);
}

1. garbage

2. -1

3. 0

4. 1

Correct Answer : 3

QuestionID : 13911 Subject Name C_CET

Q2. What is the output of the following programme ?
void main()
{
static union myUnion
{
int a;
float b;
}mU1;

clrscr();
printf(“%5d”,mU1.a);
getch();
}

1. garbage

2. 100

3. 0

4. compile time error

Correct Answer : 4

QuestionID : 13912 Subject Name C_CET

Q3. ## in ‘C’ language represents …..

1. There is nothing like ## in ‘C’ language

2. It indicates starting of the directive

3. Token-Pasting Operator

4. Starting of a macro code

Correct Answer : 3

QuestionID : 13913 Subject Name C_CET

Q4. What will be the output ?

void main()
{
int cnt;
extern int tmparray[5];
clrscr();
for(cnt=0;cnt<5;cnt++)
printf(“%5d”,tmparray[cnt]);
}
int tmparray[5];

1. 5 garbage values

2. Compile time error

3. Run time error

4. 0 0 0 0 0

Correct Answer : 4

QuestionID : 13914 Subject Name C_CET

Q5. The operator ~ gives you ……..

1. 2’s complement

2. 1’s complement in 16 bits

3. 1’s complement in 32 bits

4. 1’s complement in 4 bits

Correct Answer : 3

QuestionID : 13915 Subject Name C_CET

Q6. What will be the output ?
void main()
{
char str[] = “Hello Everybody”;
clrscr();
printf(“%5s”,str);
getch();
}

1. Hello

2. Garbage

3. Hello Everybody

4. compile time error

Correct Answer : 3

QuestionID : 13916 Subject Name C_CET

Q7. The function atoi() converts ……..

1. char array to integer number

2. int array to integer number

3. integer number to integer array

4. integer number to character array

Correct Answer : 1

QuestionID : 13917 Subject Name C_CET

Q8. The function malloc() returns an entity of type ……..

1. long

2. void

3. void*

4. long*

Correct Answer : 3

QuestionID : 13925 Subject Name C_CET

Q9. Functions and global variables have _______ linkage.

1. internal

2. external

3. none

4. all of the above

Correct Answer : 2

QuestionID : 13966 Subject Name C_CET

Q10. What would be output of the following program
main()
{
printf(5+”Sunbeam Infotech”);
}

1. am Infotech

2. Sunbeam Infotech

3. error

4. none of the above

Correct Answer : 1

QuestionID : 13967 Subject Name C_CET

Q11. find the output
#include< alloc.h >
#define MAXROW 3
#define MAXCOL 4
main()
{
int (*p)[MAXCOL];
p = (int(*)[MAXCOL])malloc(MAXROW * sizeof(*p));
printf(“%d %d”,sizeof(p),sizeof(*p));

}

1. 24 2

2. 2 12

3. 2 8

4. 24 8

Correct Answer : 3

QuestionID : 13970 Subject Name C_CET

Q12. The bitwise AND operator is used for

1. Masking

2. Comparison

3. Division

4. Shifting bits

Correct Answer : 1

QuestionID : 13972 Subject Name C_CET

Q13. The associativity of ! operator is

1. Right to Left

2. Left to Right

3. (a) for Arithmetic and (b) for Relational

4. (a) for Relational and (b) for Arithmetic

Correct Answer : 1

QuestionID : 13973 Subject Name C_CET

Q14. What will be the output of the expression 11 ^ 5

1. 5

2. 6

3. 11

4. none of the above

Correct Answer : 4

QuestionID : 13974 Subject Name C_CET

Q15. The macro va_start is used to initialize a pointer to the beginning of the list of fixed arguments

Correct Answer : F

QuestionID : 13975 Subject Name C_CET

Q16. Which header file should you include if you are to develop a function which can accept variable number of arguments?

1. vararg.h

2. stdlib.h

3. stdio.h

4. stdarg.h

Correct Answer : 4

QuestionID : 13989 Subject Name C_CET

Q17. main()
{
unsigned int a = 0xffff;
~a;
printf("%x",a);
}

1. ffff

2. 0000

3. 00ff

4. none of the above

Correct Answer : 1

QuestionID : 14031 Subject Name C_CET

Q18. void main()
{
int i;
printf(“%d”,i^i);
}

1. 1

2. 0

3. Unexpected

4. runtime error

Correct Answer : 2

QuestionID : 14034 Subject Name C_CET

Q19. void main()
{
char a[5*2/2] = {‘a’,’b’,’c’,’d’,’e’};
printf(“%c”,a[3]);
}

1. c

2. d

3. compilation error

4. none of these

Correct Answer : 2

QuestionID : 14036 Subject Name C_CET

Q20. What would be the output of the following program
#define MAX( a , b ) (a>b ? a : b)
void main()
{
int x;
x = MAX (3+2,2+7);
printf(“%d”,x);
}

1. 9

2. 5

3. 3

4. 2

Correct Answer : 1

QuestionID : 14041 Subject Name C_CET

Q21. void main()
{
char *buff;
buff = (char*)calloc(10);
printf(“Buff size = %d”,sizeof(buff));
}

1. 2

2. 10

3. 20

4. none of the above

Correct Answer : 1

QuestionID : 14048 Subject Name C_CET

Q22. A Link is

1. compiler

2. an active debugger

3. C interpreter

4. analyzing tool in C

Correct Answer : 4

QuestionID : 14049 Subject Name C_CET

Q23. The continue command cannot be used with

1. for

2. switch

3. do

4. while

Correct Answer : 2

QuestionID : 14051 Subject Name C_CET

Q24. Which is a good use for typecasting?

1. To allow division of two integers to return a decimal value.

2. To allow your program to use nothing but integers.

3. To change the return type of a function.

4. To swap variables rapidly.

Correct Answer : 1

QuestionID : 14054 Subject Name C_CET

Q25. Which of the following is false?

1. 1

2. -1

3. .1

4. none of the above

Correct Answer : 4

QuestionID : 14055 Subject Name C_CET

Q26. Evaluate !(1 && !(0 || 1))

Correct Answer : T

QuestionID : 14056 Subject Name C_CET

Q27. int main()
{
unsigned int i;
int j;
i=1;
for(j=0;j<2;j++)
{
i = i << 1;
printf(“%d ”,i);
}
for(j=0;j<2;j++)
{
i = i >> 1;
printf(“%d ”,i);
}
}

1. 2 4
2 1

2. 2 4
0 0

3. error

4. 4 2
1 2

Correct Answer : 1

QuestionID : 14067 Subject Name C_CET

Q28. Void main()
{
int al();
int (*fp)();
fp = al;
(*fp)();
}
*fp()
{
printf(“Pointers”);
}
al()
{
printf(“Assignment”);
}

1. Pointers

2. Assignment Pointers

3. Pointers Assignment

4. Assignment

Correct Answer : 4

QuestionID : 14068 Subject Name C_CET

Q29. change(int *b)
{
int i;
for(i=0;i<=4;i++)
{
*b = *b + 1;
b++;
}
}
void main()
{
int a[5] = {2,3,4,5,6},i;
change(a);
for(i=4;i>=0;i--)
printf(“%d ”,a[i]);
}

1. 2 3 4 5 6

2. 3 7 6 5 4

3. 7 6 5 4 3

4. Lvalue required in function change

Correct Answer : 3

QuestionID : 14072 Subject Name C_CET

Q30. void main()
{
char s[] = “\12345s\n”;
printf(“%d”,sizeof(s));
}

1. 9

2. 4

3. 8

4. 6

Correct Answer : 4

QuestionID : 14112 Subject Name C_CET

Q31. To delete forth node in double link list representation of five nodes, we require to locate

1. header node

2. third node

3. third node and forth node

4. only the forth node

Correct Answer : 4

QuestionID : 14116 Subject Name C_CET

Q32. struct temp
{
int a;
struct temp no_roll;
double c;
}obj;

1. Underscore cannot be used in variable declaration.

2. it will be compiled successfully.

3. obj must be a pointer to struct

4. error: struct variables cannot be included in its own structure

Correct Answer : 4

QuestionID : 14117 Subject Name C_CET

Q33. Let sizeof(int) = 4 and sizeof(long) = 8
What will be the sizeof(struct SUN);
Struct SUN
{
int XML[2];
union
{
char ITS[7];
int practice;
}student;
long VB;
char Java;
};

1. 32

2. 28

3. 24

4. system dependent

Correct Answer : 3

QuestionID : 14119 Subject Name C_CET

Q34. int takefirst(int a,int b,int c)
{
return (++a,b+2,c);
}
void main( )
{
static int m,n;
m = takefirst(n,m,n);
printf(“%d”,m);
}

1. 2

2. 1

3. 0

4. syntax error in the return statement

Correct Answer : 3

QuestionID : 14125 Subject Name C_CET

Q35. Recursion technique uses data structure

1. stack

2. queue

3. heap

4. linked list

Correct Answer : 1

QuestionID : 14127 Subject Name C_CET

Q36. A circular link representation with n nodes will have – links

1. n+1

2. n+2

3. n

4. n-1

Correct Answer : 3

QuestionID : 14129 Subject Name C_CET

Q37. struct node
{
int data;
struct node *llink;
struct node *rlink;
};
This structure can be used for

1. singly linked list

2. doubly linked list

3. doubly circular list

4. 2 and 3 both

Correct Answer : 4

QuestionID : 14130 Subject Name C_CET

Q38. Pointer of singly circular list with only one node will point to---

1. next node

2. previous node

3. same node

4. NULL

Correct Answer : 3

QuestionID : 14133 Subject Name C_CET

Q39. What do you think is true about queue data structure?
i. it is a LILO data structure
ii. elements from queue are deleted from the rear end
iii. we can design a circular queue

1. i and ii

2. i and iii

3. i, ii and iii

4. i only

Correct Answer : 2

QuestionID : 14135 Subject Name C_CET

Q40. void main( )
{
enum days{mon,tue,wed,sat,sun };
enum days d1,d2,d3;
d1 = mon + sun;
d2 = wed – sat;
d3 = sun * tue;
printf(“%d %d %d”,d1,d2,d3);
}

1. 4 -1 4

2. 1 5 5

3. 0 4 4

4. compilation error

Correct Answer : 1

QuestionID : 14138 Subject Name C_CET

Q41. enum records{one,two=4,three,four=4};
void main( )
{
printf(“%d %d %d %d”, one,two,three,four);
}

1. 0 4 5 4

2. 1 4 3 4

3. 1 4 5 4

4. 0 4 3 4

Correct Answer : 1

QuestionID : 14139 Subject Name C_CET

Q42. What is true regarding a return statement in a function?

1. There cannot be more than one return statement in a function

2. A return statement must be at the end of the function

3. A function by default returns an integer value.

4. All of the above are true

Correct Answer : 3

QuestionID : 14189 Subject Name C_CET

Q43. What keyword covers unhandled possibilities?

1. all

2. contingency

3. default

4. other

Correct Answer : 3

QuestionID : 14190 Subject Name C_CET

Q44. Which of the following gives the memory address of a pointer a?

1. a

2. *a

3. &a

4. address(a)

Correct Answer : 1

QuestionID : 14191 Subject Name C_CET

Q45. Which of the following is the proper keyword to deallocate
memory?

1. free

2. delete

3. clear

4. remove

Correct Answer : 1

QuestionID : 14194 Subject Name C_CET

Q46. Which header file do you need to include to use typecasting?

1. iostream.h

2. ctype.h

3. math.h

4. none

Correct Answer : 4

QuestionID : 14195 Subject Name C_CET

1. This-is-a-test

2. Error message

3. This is a test

4. None of the above

Correct Answer : 2

QuestionID : 14203 Subject Name C_CET

Q48. Why can typecasting be dangerous?

1. Some conversions are not defined, such as char to int.

2. You might permanently change the value of the variable.

3. You might temporarily lose part of the data - such as truncating a float when typecasting to an int.

4. There are no dangers.

Correct Answer : 3

QuestionID : 14218 Subject Name C_CET

Q49. Which of the following is a properly defined struct?

1. struct {int a;}

2. struct a_struct {int a;}

3. struct a_struct int a;

4. struct a_struct {int a;};

Correct Answer : 4

QuestionID : 14223 Subject Name C_CET

Q50. The number of the relational operators in c language is

1. four

2. six

3. three

4. one

Correct Answer : 2

QuestionID : 14229 Subject Name C_CET

Q51. Which among the following is a unconditional control structure

1. do-while

2. if-else

3. goto

4. for

Correct Answer : 3

QuestionID : 14230 Subject Name C_CET

Q52. The output of printf("%u", -1) is

1. -1

2. minimum int value

3. maximum int value

4. error message

Correct Answer : 3

QuestionID : 14303 Subject Name C_CET

Q53. Which of the following are tokens in C?

1. keywords

2. variables

3. constants

4. all of the above

Correct Answer : 4

QuestionID : 14367 Subject Name C_CET

Q54. void main( )
{
int i=0,j;
j = ++i+i++/i+i--;
printf(“%d”,j);
}

1. 4

2. 5

3. garbage

4. 3

Correct Answer : 4

QuestionID : 14369 Subject Name C_CET

Q55. void main( )
{
int red=0,pink;
pink =~red;
printf(“%d”,pink);
}

1. -32768

2. -1

3. 1111

4. compilation error

Correct Answer : 2

QuestionID : 14370 Subject Name C_CET

Q56. void main( )
{
int K=-7;
printf(“%d”,0< K);
}

1. 0

2. 1

3. compilation error

4. -7

Correct Answer : 1

QuestionID : 14371 Subject Name C_CET

Q57. void main()
{
char *pointer;
pointer = “Great” “Life”;
printf(“%s”,pointer);
}

1. Great

2. Great Life

3. GreatLife

4. compilation error

Correct Answer : 3

QuestionID : 14378 Subject Name C_CET

Q58. To reduce complexity of data type declaration we can use

1. union

2. enum

3. typedef

4. struct

Correct Answer : 3

QuestionID : 14381 Subject Name C_CET

Q59. Let`s say that you insert a new node between two existing nodes in a singly linked list. Which link pointers do you think require a new value?
i. The one after the new node
ii. The one belonging to a new node.
iii. The one before the new node and the one after the new node.
iv. The one before the new node.

1. i, ii and iv

2. ii and iv

3. i, ii and iii

4. i and iii

Correct Answer : 2

QuestionID : 14428 Subject Name C_CET

Q60. void print(int *a, int *b, int *c, int *d, int *e,)
{
printf(“%d%d%d%d%d”,*a, *b, *c, *d, *e);
}
void main()
{
static int arr[] = {90,91,92,93,94,95,96,97};
int *ptr = arr+1;
print(++ptr, ptr--, ptr, ptr++, ++ptr);
}

1. 97 96 95 94 93

2. 93 93 93 93 92

3. 90 91 92 93 94

4. 93 93 93 92 92

Correct Answer : 4

QuestionID : 14430 Subject Name C_CET

Q61. Which of the following statement provides exit-controlled looping?

1. while statement

2. do-while statement

3. for statement

4. goto statement

Correct Answer : 4

QuestionID : 14433 Subject Name C_CET

Q62. void **p will be incremented by how many bytes?

1. 1

2. 2

3. 0

4. 4

Correct Answer : 2

QuestionID : 14434 Subject Name C_CET

Q63. The degree of a leaf node in a general tree is

1. 0

2. -1

3. 1

4. can not say

Correct Answer : 1

QuestionID : 14436 Subject Name C_CET

Q64. void main( )
{
int x,y=2,z,a;
x = (y*=2)+(z=a=y);
printf(“%d”,x);
}

1. compilation error

2. 4

3. 8

4. 6

Correct Answer : 3

QuestionID : 14440 Subject Name C_CET

Q65. Which can be used as an external sorting method.

1. Bubble sort

2. Insertion sort

3. Merge sort

4. Selection sort

Correct Answer : 3

QuestionID : 14441 Subject Name C_CET

Q66. ---sorting method is least efficient.

1. quick sort

2. merge sort

3. radix sort

4. bubble sort

Correct Answer : 4

QuestionID : 14446 Subject Name C_CET

Q67. In a singly linked list, if a new node is to be inserted between two consecutive nodes how many links have to be modified?

1. 1

2. 2

3. 3

4. 4

Correct Answer : 2

QuestionID : 14529 Subject Name C_CET

Q68. On error fclose( ) function returns

1. 0

2. EOF

3. -1

4. none of the above

Correct Answer : 2

QuestionID : 14530 Subject Name C_CET

Q69. int show(int v)
{
if(v= =1||v= =0)
return 1;
if(v % 2==0)
return show(v/2) +2;
else
return show(v-2) +3;
}
void main( )
{
int z;
z = show(7);
printf(“%d”,z);
}

1. 11

2. 5

3. 10

4. infinite loop

Correct Answer : 3

QuestionID : 14538 Subject Name C_CET

Q70. int mix(int m)
{
m++;
return (m);
}
void main( )
{
int k=5,z;
z=mix(k=mix(k=mix(k)));
printf(“%d”,k);
}

1. 5

2. 8

3. 9

4. 7

Correct Answer : 4

QuestionID : 14540 Subject Name C_CET

Q71. By using which of the following data structure we can convert a infix arithmetic expression into a postfix.

1. Doubly linked list

2. Queue

3. Stack

4. Graph

Correct Answer : 3

QuestionID : 14541 Subject Name C_CET

Q72. In case of a linked list

1. arrays are used to hold the list

2. every link node has a link to the next node

3. links have array of pointer to next link

4. all of the above

Correct Answer : 2

QuestionID : 14542 Subject Name C_CET

Q73. void main( )
{
int i=0;
for(i=1;;i++)
if(i= =5)
{
printf(“%d ”,i) ;
break;
}
else
{
printf(“%d ”,i++);
continue;
}
}

1. 1 2 3 4 5

2. 2 4 6

3. 1 3 5

4. compilation error: condition missing in the for loop

Correct Answer : 3

QuestionID : 14546 Subject Name C_CET

Q74. Which of the following statements are correct

1. enum variables can be assigned new values.

2. enum variables can be compared.

3. enumeration features does not increase the power of C.

4. All of the above.

Correct Answer : 4

QuestionID : 14547 Subject Name C_CET

Q75. Which of the following statements is false?
i. Structure is a collection of elements of different data types.
ii. We cannot initialize Union.
iii. We can initialize static or global structure.
iv. We can use typedef with structure.

1. iii only

2. ii and iii

3. ii only

4. All are true

Correct Answer : 3

QuestionID : 14548 Subject Name C_CET

Q76. void main( )
{
float ch=2.5;
switch(ch)
{
case 2.5: printf(“%f”,ch);
case 2.0: printf(“%f”,ch); break;
default: printf(“%f”,ch); break;
}
}

1. 2.5 2.5

2. 2.5

3. 2.0 2.5

4. compilation error

Correct Answer : 4

QuestionID : 14551 Subject Name C_CET

Q77. On error ftell( ) returns

1. 0

2. -1

3. -1L

4. 0L

Correct Answer : 3

QuestionID : 14554 Subject Name C_CET

Q78. The maximum combined length of the command line arguments including the spaces between adjacent argument is

1. 128 characters

2. 256 characters

3. 67 characters

4. it may vary from one operating system to another

Correct Answer : 4

QuestionID : 14558 Subject Name C_CET

Q79. Which of the following is the feature of stack

1. All operations are at one end

2. It can not reuse its memory

3. All elements are of different data types

4. Any element can be accessed from it directly

Correct Answer : 1

QuestionID : 14606 Subject Name C_CET

Q80. void main( )
{
printf(“Hello”);
char far *p = 0x417;
*p = 64;
printf(“%d”,p);
}

1. Hello 0

2. 0 Hello

3. HELLO

4. compilation error

Correct Answer : 4

QuestionID : 14608 Subject Name C_CET

Q81. void main( )
{
struct num1
{
char ch[7];
char *s;
};
struct num2
{
char *c;
struct num1 s1;
};
static struct num2 s2 = {“apple”,”orange”,”lemon”};
printf(“%s %s”,s2.c,s2.s1.s);
printf(“%s %s”,s2.c++,++s2.s1.s);
}

1. apple lemon orange

2. apple lemon apple orange

3. apple lemon pple emon

4. apple lemon apple emon

Correct Answer : 4

QuestionID : 14611 Subject Name C_CET

Q82. void main( )
{
int show( );
int (*fun)( );
fun = show;
display(fun);
}
show( )
{
printf(“Sunbeam…”);
}
display(f1)
int (*f1)( );
{
(*f1)( );
}

1. Sunbeam…is printed twice

2. Sunbeam…is printed once

3. Expression syntax in display( )

4. Compilation error

Correct Answer : 2

QuestionID : 14613 Subject Name C_CET

Q83. What is the correct sytanx for allocating memory for a 2-D pointer?
int **p,*q,r=100;

1. P = (int*)malloc(sizeof(int*));

2. P = (int*)malloc(sizeof(int**));

3. P = (int**)malloc(sizeof(int*));

4. None of the above

Correct Answer : 3

QuestionID : 14629 Subject Name C_CET

Q84. void main()
{
FILE *f1,*f2;
int troll,x;
char tname[20];
clrscr();
f1 = fopen("data.txt","w");
f2 = fopen("data.txt","r");
if (f2==0) {
printf("Error While Opening The File DATA.DAT");
exit(0);
}
while(1) {
printf("Enter Roll and Name : ");
scanf("%d %s",&troll,tname);
if(troll<=0) break;
fprintf(f1,"%d %s ",troll,tname);
}
clrscr();
while( fscanf(f2,"%d %s",&troll,tname)>0 )
printf("\n%5d%20s",troll,tname);
getch();
}

If input provided is as follows:
1 A
2 B
3 C
4 D
5 E
0 XX
,then what will be the output?

1. 1 A
2 B
3 C
4 D
5 E

2. Compile time error

3. Run time error.

4. No Output i.e. blank screen

Correct Answer : 4

QuestionID : 14632 Subject Name C_CET

Q85. What will be the output?
void main()
{
int p=10,q=20;
clrscr();
printf("%5d%5d",p&q,p&&q);
getch();
}

1. 0 0

2. 0 1

3. 1 0

4. 1 1

Correct Answer : 2

QuestionID : 14635 Subject Name C_CET

Q86. void main()
{
FILE *f1,*f2;
int troll,x;
char tname[20];
clrscr();
f1 = fopen("data.txt","w");
f2 = fopen("data.txt","r");
if (f2==0) {
printf("Error While Opening The File DATA.DAT");
exit(0);
}
while(1) {
printf("Enter Roll and Name : ");
scanf("%d %s",&troll,tname);
if(troll<=0) break;
fprintf(f1,"%d",troll);
}
clrscr();
while( fscanf(f2,"%d %s",&troll,tname)>0 )
printf("\n%5d%20s",troll,tname);
getch();
}
If input provided is as follows:
1 A
2 B
3 C
4 D
5 E
0 XX
,then what will be the output?

1. Same as that of input.

2. 1 A

3. 12345 XX

4. Blank Screen. i.e. No Output.

Correct Answer : 3

QuestionID : 14649 Subject Name C_CET

Q87. void main()
{
enum code
{
add;
delete;
modify;
unchanged;
};
typedef enum code CODE;
CODE c,d;
c = add;
d = modify;
printf(“c = %d d = %d”,c,d);
}

1. c = 0 d = 0

2. c = 1 d = 3

3. c = 0 d = 2

4. c = garbage value d = garbage value

Correct Answer : 3

QuestionID : 14651 Subject Name C_CET

Q88. void main( )
{
int a=12,i=0;
while(a>>=i)
{
printf(“ a=%d i=%d ”,a,i);
i++;
}
}

1. a=12 i=0 a=6 i= 1 a=3 i=2 a=1 i=3

2. a=12 i=0 a=6 i= 1 a=3 i=2

3. a=12 i=0 a=6 i= 1 a=1 i=2

4. a=12 i=0 a=6 i= 1 a=1 i=2 ……………infinite loop

Correct Answer : 3

QuestionID : 14655 Subject Name C_CET

Q89. 1. What will be the output of the following code
main()
{
char str1[]="Banglore-440010";
char str2[15];
strcpy(str2,"Pune ");
strncat(str2,str1,8);
printf("%s",str2);
}

1. Pune Banglore-440010

2. Pune Banglore

3. Banglore

4. Pune Ban

Correct Answer : 2

QuestionID : 14656 Subject Name C_CET

Q90. What is true about strtok( ) function

1. returns a pointer to the first character of the first token in source

2. writes a null character into source immediately following the returned token.

3. Subsequent calls with null for the first argument will work through the

4. all of the above

Correct Answer : 4

QuestionID : 14658 Subject Name C_CET

Q91. void main( )
{
int a = 0xff;
if(a<<4>>12)
printf(“Leftlist”);
else
printf(“Rightlist”);
}

1. Leftlist

2. Rightlist

3. compilation error

4. runtime error

Correct Answer : 2

QuestionID : 14660 Subject Name C_CET

Q92. Which of the following functions are ideally suited for reading the contents of a file record by record?

1. getc( )

2. gets( )

3. fread( )

4. fgets( )

Correct Answer : 3

QuestionID : 15343 Subject Name C_CET

Q93. 8. point out the error from following code
main()
{
fun(1,4,7,11,0)
}

Fun(…)
{
Va_list ptr;
int num;

Va_start(ptr,int);
Num=va_arg(ptr,int);
Printf(“%d”,num);
}

1. Compilation error

2. b. There is no fixed argument in the definition of fun.

3. c. Too few parameter in call of function fun

4. It will output 1 on screen.

Correct Answer : 2

QuestionID : 15346 Subject Name C_CET

Q94. If we use following printf(“%d”,num); to print a long int we will get warning message.

Correct Answer : F

QuestionID : 15347 Subject Name C_CET

Q95. How would you dynamically allocate a 2-D arrays of 3 rows and 4 columns such that we are able to access any element using 2 subscripts, as in arr[i][j]? Also the rows of the array should be stored in adjacent memory locations.

1. int **p, i ,j;
p=(int **) malloc(3 *sizeof(int *));
for(i=0; i<3; i++)
p[i]=p[0] + i * 4

2. int **p, i ,j;
p=(int **) malloc(3 * 4 * sizeof(int *));

3. int *p= (int **) malloc(3 * 4 * sizeof(int *));

4. int *p= (int *) malloc(3 * 4 * sizeof(int *));

Correct Answer : 1

QuestionID : 15348 Subject Name C_CET

Q96. What is true calloc() about function?

1. calloc() will set each element with a value 0.

2. calloc() needs two arguments number of elements and size of each element.

3. Option a & b is true.

4. None of the above.

Correct Answer : 3

QuestionID : 15436 Subject Name C_CET

Q97. What is wrong with this?
main(){
int *ptr;
*ptr=10;
}

1. Incorrect assignment

2. incorrect and will not compile

3. 10

4. This program compiles fine. But, has unpredictable behaviour at run time

Correct Answer : 4

QuestionID : 15520 Subject Name C_CET

Q98. For the following prototype
float funct(float *var);
Then within funct() to refer var value being passed using

1. *var

2. var

3. float var

4. float *var

Correct Answer : 1

QuestionID : 15529 Subject Name C_CET

Q99. Overflow refers to

1. a queue growing larger than array size.

2. front of queue is equal to back.

3. both option 1 and option 2 above.

4. none of the above.

Correct Answer : 1

QuestionID : 15547 Subject Name C_CET

Q100. What do the function itoa ( ) do?

1. Converts a string to an integer.

2. Converts an integer to a string

3. Converts a floating-point number to a string.

4. Converts a string to a floating-point number.

Correct Answer : 2

Monday, 26 December 2016

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