C Programming MCQ with Answers [ SET - 3 ] | C Programming Quiz Questions and Answers

 

1. What is the value of a?:

 #define SQR(x) x*x

a = SQR(2+3);

A) 25
B) 11
C) 13
D) 10

ANSWER= (b) (SQR(2+3) is equivalent to 2+3*2+3 = 11)

 

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

void main(){

int huge*p=(int huge*)0XC0563331;

int huge*q=(int huge*)0xC2551341;

*p=200;

printf(“%d”,*q);

}

A) 0
B) Garbage value
C) null
D) 200

ANSWER= (A) 200

 

3. Which of the following language is the predecessor to C Programming Language?

A) A
B) B
C) BCPL
D) C++

ANSWER= (C) BCPL

 

4. C programming language was developed by

A) Dennis Ritchie
B) Ken Thompson
C) Bill Gates
D) Peter Norton

ANSWER= (A) Dennis Ritchie

 

5. What is the output? int c, d = 90;

c = d--; 

printf("%d %d", c, d);

A)  89 90,
B) 90 89,
C)  89 89,
D) 90 90

ANSWER= (B) 90 89,

 

6. The _______ is used to break out of the case statements.

A) continue
B) break
C) default
D) case

ANSWER= (B) break

 

7. Who is father of C Language?

A) Bjarne Stroustrup
B) Dennis Ritchie
C) James A. Gosling
D) Dr. E.F. Codd

ANSWER= (B) Dennis Ritchie

 

8. Pick the correct output: 

int p = 500, g = 5;

printf("%d", p ==q);

A) 500
B) 0
C) 5
D) 1

ANSWER= (B) 0

 

9. C supports the ______ statement to branch unconditionally from one point to another in the program.

A) continue
B) goto
C)  break
D)  for

ANSWER= (B)  goto

 

10. C Language developed at _____?

A) AT & T’s Bell Laboratories of USA in 1972
B) AT & T’s Bell Laboratories of USA in 1970
C) Sun Microsystems in 1973
D) Cambridge University in 1972

ANSWER= (A) AT & T’s Bell Laboratories of USA in 1972

 

11. What is the result of 16>>2?

A) 4
B) 8
C) 3
D) 0

ANSWER= (A) 4

 

12. Which is the correct syntax to declare constant pointer?

A) int *const constPtr;
B) *int constant constPtr;
C) const int *constPtr;
D) A and C both

ANSWER= (D) A and C both

 

13. C Language is a successor to which language.?

A)  FORTRAN
B) D Language
C) BASIC
D)  B Language

ANSWER= (A)  B Language

 

14. int p = 35; q = 145; p = p^q; q = p^q; p= p ^q; printf("%d %d", p, q); then output will be -

A) 35 145,
B) 0  5,
C) 145 35.
D) none of these.

ANSWER= (C) 145 35.

 

15. In which linked list last node address is null?

A) Doubly linked list
B) Circular list
C) Singly linked list
D) None of the above

ANSWER= (C) Singly linked list

 

16. Low level language is .?

A) Human readable like language.
B) language with big program size.
C) language with small program size.
D) Difficult to understand and readability is questionable.

ANSWER= (D) Difficult to understand and readability is questionable.

 

17. Consider the variable char c = 'p'; int i = 6, f = 2; the result of the expression c< (i+ f) is -

A) 0
B)1
C) false
D)  true

ANSWER= (A) 0

 

18.  x – =  y + 1 ; does the same as

A) x = x – y + 1
B) x = x – y – 1
C)  x  = – x + y + 1
D) x  = x – y – 1

ANSWER= (D) x  = x – y – 1

 

19. The default parameter passing mechanism is

A)  call by value
B) call by reference
C) call by value result
D) none of the above

ANSWER= (A) call by value

 

20. The expression 4 + 6 / 3* 2 -2 + 7 % 3 evaluates to

A) 3
B) 4
C) 6
D) 7

ANSWER= (D) 7

 

21. Let  x be an array. Which of the following operation are illegal?

A)  ++ x
B) x + 1
C) x++
D) x * 2

ANSWER= a,b,c

 

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

A) -3,
B) -2,
C) 3
D) 2

ANSWER= (D) 2

 

23. A set names can be represented as a

A) two-dimensional array of characters
B) one- dimensional array of strings
C) one- dimensional array of pointers to character
D) none of these

ANSWER= a,b, c

 

24. If x = y = z = -1 then what is the output of the following ++x || ++y && + printf ("z=%d", z):

A) 0
B) -1
C) 1
D) 2

ANSWER= (B) -1

 

25. Operand of indirection operator is

A) ordinary variable
B)  integer constant
C) pointer variable
D)  none of above

ANSWER= (C) pointer variable

 

26. Which of the following statement about functions of false?

A) A function can call itself.
B) A function can call another function.
C) Constants can appear in the formal argument list.
D) More than one function is allowed in a program unit.

ANSWER= (C) Constants can appear in the formal argument list.

 

27. "int a = -2";then memory location of a contains - 

A) 8000H
B) -2
C) FFFE
D) none of these

ANSWER= (D) none of these.

 

28. 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

 

29. Write the output of the following program 

fragment main ())

{

main ()

printf ("Hello world"); }

A) Compilation error, 
B) stack overflow error, 
C) infinite loop,
D) "Hello World"

ANSWER= (B) stack overflow error, 

 

30. C is ______ Language?

A) low level
B)  high level
C) assembly level
D) machine level

ANSWER= (A) low level

 

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