C Programming MCQ with Answers [ SET - 2 ] | TOP C Language Multiple Choice Questions and Answers

 

1. In C++, a function contained within a class is called

A) a method
B) a class function
C) member function
D) none of these

ANSWER= (C) member function

 

2. What is result of 16 >> 2? - 

A) 4
B) 8
C) 2
D) 5

ANSWER= (A) 4

 

3. Every string must be terminated by

A)  Linefeed character
B) Null character
C) Newline character
D) Carriage return character

ANSWER= (B) Null character

 

4. What will be the value of c after execution of this program? 

void main()

   {int a 9, b = 10, c;

    c= (b <a || b > a); 

     printf("c-%d", c);

       }

A)  c = 1 
B)  c = 0
C) c = 1
D) none of these

ANSWER= (A)  c = 1 

 

5. Recursive functions are executed in a?

A) first in first out order
B) load balancing
C) parallel fashion
D) last in first out order

ANSWER= (D) last in first out order

 

6. What will be the output of the following arithmetic expression ?

5+3*2%10-8*6

A) -37
B) -42
C) -32
D) -28

ANSWER= (A) -37

 

7. getch(); works like 

A) printf
B) scanf
C) variable
D) none of these

ANSWER= (A) none of these

 

8.  Which one of the following is not a linear data structure?

A) array
B) binary tree
C) queue
D) stack

ANSWER= (B) binary tree

 

9. What will be the output of the following statement ?

int a=10; printf(“%d &i”,a,10);

A) error
B) 10
C) 10 10
D) none of these

ANSWER= (D) none of these

 

10.  What will be the output of the following statement ?

printf(“%X%x%ci%x”,11,10,’s’,12);

A) error
B) basc
C) Bas94c
D) none of these

ANSWER= (B) basc

 

11. The _________ is a computer program that translates the source code into corresponding object code

A) Compiler
B) Assembler
C)  COBOL
D) Interpreter

ANSWER= (A) Compiler

 

12. Which is the reserved keyword in C? -

A) null,
B) union, 
C) printf,
D) string.

ANSWER= (B) union, 

 

13. A. Halt execution of program

A)  b. restart execution
B) f program
C) exit from loop or switch statement
D) none of the avobe

ANSWER= (C) exit from loop or switch statement

 

14. Which one is a special function in C system to tell the computer where the program start

A)  go()
B) sub()
C) main()
D) event()

ANSWER= (c) main()

 

15. If a 15 and b = 4, what is the value of a%b? 

A) -3, 
B) 3, 4
C) 2
D) none of these

ANSWER= (B)  3, 4

 

16. Which of the following function is used for sets the position to the beginning of the file

A) putw()
B) getw()
C) setw()
D) rewind()

ANSWER= (d) rewind()

 

17. What will be the output of the following statements ?

int a = 4, b = 7,c; c = a = = b; printf(“%i”,c);

A) 0
B) error
C) 1
D) garbage value

ANSWER= (A) 0

 

18.  What will be the output of the following statements ?

int a = 5, b = 2, c = 10, i = a>b

void main()

{ printf(“hello”); main(); }

A) 1
B) 2
C) infinite number of times
D)  none of these

ANSWER= (C) infinite number of times

 

19. Which of the following shows the correct hierarchy of arithmetic operations in C ?

A)  (), *, * or /, + or - 
B)  (), **, *, /, +, - 
C) (), *, /, *, +, -
D) (), / or *, - or +

ANSWER= (C) (), *, /, *, +, -

 

20. Which is the correct way to declare a pointer?

A) int_ptr;
B) int *ptr;
C) *int ptr;
D) None of these.

ANSWER= (B) int *ptr;

 

21. The string is actually stored as an array of ……. the null character …… is automatically placed at the end of a string to act as a string ……..

A) Constants, \n, terminator
B) Characters, \0, terminator
C) Character, \t, initialize
D)  None of the above

ANSWER= (B) Characters, \0, terminator

 

22. Which function converts a string of digits into its numeric equivalent

A) atan()
B)  atoi()
C)  calloc()
D)  strcat()

ANSWER= (b) atoi()

 

23. The expression x = 4+2% -8 evaluates to -

A) -6,
B) 6,
C) 4,
D) none of these

ANSWER= (B) 6

 

24. ______ is an example of compile time polymorphism

A) Virtual function
B) Member function
C) Function overloading
D) Friend function

ANSWER= (c) Function overloading

 

25. What will be the output of the following statements ?

int x[4] = {1,2,3}; printf(“%d %d %D”,x[3],x[2],x[1]);

A) 03%D
B) 000
C) 032
D) 321

ANSWER= (C) 032

 

26. The library function exit() causes an exit from 

A)  the loop in which it appears,
B) the block in which it appears,
C) the function in which it appears,
D) none of these.

ANSWER= (D) none of these.

 

27.  In C++ array subscript always starts with

A) 0
B) 1
C) -1
D) Any positive integer

ANSWER= (A) 0

 

28. What is the output of the following code?

#include

void main()

{

int s=0;

while(s++<10)>

# define a 10

main()

{

printf(“%d..”,a);

foo();

printf(“%d”,a);

}

void foo()

{

#undef a

#define a 50

}

A) 10..10
B) 10..50
C)  Error
D) 0

ANSWER= (C)  Error

 

29. char a = 321; printf("%c", a), then the output will be

A) 67
B) 321
C) B
D) A

ANSWER= (D) A

 

30. What will be output if you will compile and execute the following c code?

void main(){

int i=0;

if(i==0){

i=((5,(i=3)),i=1);

printf(“%d”,i);

}

else

printf(“equal”);

}

A) 5
B) 3
C) 1
D)  equal

ANSWER= (C) 1

 

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