C Programming MCQ with Answers [ SET - 4 ] | C Programming Quiz Questions and Answers pdf

 

1. The Default Parameter Passing Mechanism is called as

A)  call by value
B) call by reference
C) call by address
D)  call by name

ANSWER= (A) call by value

 

2.  What is Dequeue?

A) elements can be added from front
B) elements can be added to or removed from either the front or rear
C)  elements can be added from rear
D) none of the above

ANSWER= (A) elements can be added from front

 

3. A variable can have - 

A)  r-value only, 
B)  l-value only,
C)  r-value and address,
D)  none of these

ANSWER= (B)  l-value only,

 

4. Which bitwise operator is suitable for checking whether a particular bit is on or off? 

A) && operator
B)  & operator
C) || operator
D) ! operator

ANSWER= (B) & operator

 

5. Suppose that i is an integer variable whose value is 7 and f is the floating-point variable whose value is 8.5. Evaluate the following expression : ( i + f)%4

A) 3
B) 3.5
C) 4
D)  Invalid

ANSWER= (D)  Invalid

 

6. Which of the following is not a storage class supported by C++

A) register
B) auto
C) mutable
D) dynamic

ANSWER= (D) dynamic

 

7. In which order do the relational (i) arithmetic (2) logical (3) assignment (4) gets evaluated? 

A) 2134
B) 1234 
C)  4321 
D) 3214

ANSWER= (A) 2134

 

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

#include “string.h”

void main(){

clrscr();

printf(“%d %d”,sizeof(“string”),strlen(“string”));

getch();

}

A) 6 6
B) 7 7
C) 6 7
D) 7 6

ANSWER= (D) 7 6

 

9.C was developed in the year ___

A) 1970
B) 1972
C) 1976
D) 1980

ANSWER= (B) 1972

 

10. Which of the following is the correct order of evaluation for the below. expression? z = x+y*z/4%2-1

A)  */%+-=
B) =*/%+
C) /*%-+=
D) *%/- + =

ANSWER= (A)  */%+-=

 

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

void main(){

static main;

int x;

x=call(main);

clrscr();

printf(“%d “,x);

getch();

}

int call(int address){

address++;

return address;

}

A) 0
B) 1
C) Garbage value
D)  Compiler error

ANSWER= (A) 1

 

12. C is a ___ language

A) High Level
B) Low Level
C) Middle Level
D) Machine Level

ANSWER= (C) Middle Level

 

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

A) DOS
B)  Windows
C)  Unix
D)  All of these

ANSWER= (D)  All of these

 

14. Which of the following correctly shows the hierarchy of arithmetic operations in C ?

A) /+*
B) *-/+ 
C) +-/* 
D) /*+

ANSWER= (D) /*+

 

15. What is the control character for “a floating point number”.

A) %c
B) %d
C) %i
D) %f

ANSWER= (D) %f

 

16. For 16-bit compiler allowable range for integer constants is ______ ?

A) -3.4e38 to 3.4e38
B) -32767 to 32768
C) -32768 to 32767
D) -32668 to 32667

ANSWER= (C) -32768 to 32767

 

17. Which of the following is the correct usage of conditional operators used in C ?

A) a>b? c=30:c=40
B) a>b? c= 30;
C) max=a> b? a>c? a:c:b>c?b:c
D)  return (a>b)?(a:b)

ANSWER= (C) max=a> b? a>c? a:c:b>c?b:c

 

18. What is Dequeue?

A) Elements can be added from front
B) Elements can be added to or removed from either the front or rear
C) Elements can be added from rear
D) None of the above

ANSWER= (B) Elements can be added to or removed from either the front or rear

 

19. High level language is a .?

A) Human readable like language.
B) language with small program size.
C) language with big program size.
D)  language which is difficult to understand and not human readable.

ANSWER= (A) Human readable like language.

 

20. Is the following statement a declaration or definition? extern int i;

A) Declaration
B) Definition
C) Function
D) Error

ANSWER= (A) Declaration

 

21. Which program outputs "Hello World.." .?

A) 

main()

{

  scanf("Hello World..");

}

B) 

main()

{

  printf("Hello World..");

}

C) 

main()

{

  print("Hello World..");

}

D) 

main()

{

  scan("Hello World..");

}

ANSWER= (B) 

 

22. Which of the following function is more appropriate for reading in a multi-word string? 

A)  printf();
B) scanf();
C)  gets();
D) puts());

ANSWER= (C)  gets();

 

23. The statement p r I n t f (‘’ % d’’, 10?0?5 : 11: 12); prints

A) 10
B) 0
C) 12
D) 11

ANSWER= (A) 11

 

24. The && and || operators compare two

A) boolean values
B) boolean value
C)  numeric values
D) numeric value

ANSWER= (B) boolean value

 

25. By default a variable is assigned with__________in static storage class

A) garbage
B) 1
C) 0
D) 10

ANSWER= (B) 1

 

26. C programs are converted into machine language with the help of 

A)  an editor
B) . a compiler
C) an operating system
D) none of the above

ANSWER= (B) a compiler

 

27. A C variable cannot start with

A)  an alphabet
B)  a number
C)  a special symbol other than underscore
D) both (b) and (c)

ANSWER= (D) both (b) and (c)

 

28. A. Constant

A) B
B) ariable
C) special symbol
D) none of the avobe

ANSWER= (A) B

 

29. In a passage of text individual words and punctuation marks are called

A) Tokens
B) Strings
C) Operator
D) Identifier

ANSWER= (A) Tokens

 

30. The output of the following program segment will be:

void main()

{

int x-4, y=3, z;

z=x---y; 

printf("\n%d%d%d",x,y,z); 

}

A) 422
B) 331
C) 432
D) 222

ANSWER= (B) 331

 

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