C Programming MCQs SET-5

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This page provide (C Programming MCQs SET-5) – 20 Multiple choice question with Answer that is very useful of Computer science students like preparation of many exam Like ( ISRO,DRDO ,Semester, Interview , Railway & another Government Sector)

C programming is the basic language of programming that help to learn another language. So this MCQ is very useful for you.

C is a general purpose ,high level language that originally developed by Dennis Ritchie to develop the UNIX operating system at Bell labs.

 

Q.81 Which function is used to release the memory allotted in dynamic memory allocation ?

A) Malloc ( )
B) Free ( )
C) Calloc ( )
D) Delete

ANSWER= (B) Free ( )

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Q.82 Which of the following can not be checked in a switch case statement ?

A) Character
B) Integer
C) Float
D) None

ANSWER= (C) Float

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Q.83 Which of the statement we need to write, in order to check any condition.

A) If
B) Break
C) Continue
D) Exit

ANSWER= (A) If

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Q.84 Find out the output for the following program

  main()
  {
  int x=2,y=3;
  printf(“%d%d”);
  }

A) 2 3
B) 3 2
C) Compilation error
D) None

ANSWER= (C) Compilation error

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Q.85 Member of union use :

A) Different storage location
B) Same storage location
C) No storage location
D) None

ANSWER= (B) Same storage location

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Q.86 How would you round off a value from 1.66 to 2.0 ?

A) ceil(1.66)
B) floor(1.66)
C) round up(1.66)
D) round to(1.66)

ANSWER= (A) ceil(1.66)

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Q.87 The keyword used to transfer control from a function back to the calling function is

A) switch
B) go to
C) go back
D) return

ANSWER= (D) return

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Q.88 Which of the following is a Loop statement of a C language ?

A) Repeat Untill
B) For
C) Do-while
D) Both (b) and (c)

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

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Q.89 What function can be used for calculating square root of a number ?

A) pow( )
B) strcat( )
C) sqrt( )
D) None

ANSWER= (C) sqrt( )

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Q.90 Int a [5] = {1, 2, 3} what is the value of a[4] ?

A) 3
B) 1
C) Garbage value
D) None

ANSWER= (C) Garbage value

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Q.91 Minimum number of temporary variable needs to swap the contents of two variable is ?

A) 0
B) 1
C) 2
D) 3

ANSWER= (A) 0

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Q.92 Which header file can be used to define input/ output function ?

A) math.h
B) memory.h
C) stdio.h
D) dos.h

ANSWER= (C) stdio.h

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Q.92 …………………is a self contained block of statement that performs a coherent task of some kind ?

A) Function
B) Array
C) Pointer
D) Structure

ANSWER= (A) Function

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Q.94 Which of the following is not a correct variable type ? some kind ?

A) Float
B) Real
C) Int
D) Double

ANSWER= (B) Real

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Q.95 C Programming, the constant is defined some kind ?

A) Anywhere, but starting on a new line
B) Before main
C) After main
D) Double

ANSWER= (A) Anywhere, but starting on a new line

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Q.96 Which of the following operator can be used to access value at address stored in a pointer variable ?

A) #
B) @
C) *
D) &

ANSWER= (C) *

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Q.97 Which scanf( ) statement will you see to scan a float value (a) and double value (b) ? float a; double b;

A) Scanf(“%f %lf” , &a, &b)
B) Scanf(“%Lf %Lf” , &a, &b)
C) Scanf(“%lf %lf” , &a, &b)
D) Scanf(“%f %f” , &a, &b)

ANSWER= (A) Scanf(“%f %lf” , &a, &b)

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Q.98 The keyword used to represent a structure data type is ?

A) Structure
B) Struct
C) Str
D) Struct-define

ANSWER= (B) Struct

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Q.99 Directives are translated by the

A) Pre-processor
B) Linker
C) Compiler
D) None

ANSWER= (A) Pre-processor

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Q.100 Union is ……….. ?

A) A special type of structure
B) A pointer data type
C) A function data type
D) Not a data type

ANSWER= (A) A special type of structure

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