MCQs on Array in C

Hello students welcome to CSE Study247 , Today I am Provide you MCQs on Array in C.

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

❤️ TOP 500+ C Programming Question and Answer

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.1 Which of these best describes an array?

A) Container of objects of similar types
B) Arrays are immutable once initialised
C) Array is not a data structure
D) None

ANSWER= (A) Container of objects of similar types

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Q.2 Array elements are stored in ?

A) Scattered memory location
B) Sequential memory location
C) Both A & B
D) None

ANSWER= (B) Sequential memory location

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Q.3 A Character array always ends with

A) Null (0) character
B) Full stop .
C) Question Mark ?
D) None

ANSWER= (A) Null (0) character

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Q.3 What are the Types of Arrays

A) int, long, float, double
B) char,struct
C) Both A & B
D) None

ANSWER= (C) Both A & B

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Q.5 An array Index starts with

A) -1
B) 0
C) 1
D) None

ANSWER= (B) 0

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Q.6 If you declare array without static the elements it will be set to

A) A null value
B) 0
C) Garbage value
D) None

ANSWER= (C) Garbage value

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Q.7 Array can not be initialized if they are

A) Automatic
B) External
C) Staic
D) None

ANSWER= (A) Automatic

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Q.8 All the elementts in the array must be ?

A) initialized
B) defined
C) Both A & B
D) None

ANSWER= (C) Both A & B

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Q.9 Length of the string “csestudy” is

A) 1
B) 2
C) 4
D) 8

ANSWER= (D) 8

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Q.10 Find out the output for the following program

  void main()
  {
  int ary(3)=[1,2,3];
  printf(“%d”, a(1));
  }

A) 123
B) 2
C) 3
D) Compiler error

ANSWER= (D) Compiler error

Explain Array should be declared and defined with Square Brackets. Use ary[1] instead of ary(1)
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Q.11 How many integer values can the array N[8][5] store ?

A) 13
B) 3
C) 40
D) None

ANSWER= (C) 40

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Q.12 How many integer values can the array N[2][2] store ?

A) 0
B) 4
C) 3
D) Cant’t be say

ANSWER= (B) 4

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Q.13 What index value should be used to access the last element of the integer array N[5]

A) 6
B) 5
C) 4
D) None

ANSWER= (C) 4

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Q.14 The process of creating a fixed sized array by allocating memory space at compile time is called

A) Static memory allocation
B) Run time memory allocation
C) Dynamic memory allocation
D) None

ANSWER= (A) Static memory allocation

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Q.15 Find out the output for the following program

  void main()
  {
  int no[4]=[12,23,35,40];
  printf(“%d”, no[2]);
  }

A) 23
B) Address of 23
C) Compiler error
D) None

ANSWER= (C) Compiler error

You should use Flower Brackets or Braces to define elements like {12,23,35,40} It is wrong to use [12,23,35,40]
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Q.16 The variable used as a subscript in an array is popularly known as — variable

A) Control
B) Constant
C) Index
D) None

ANSWER= (C) Index

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Q.17 How do you initialize an array in C?

A) int arr[3] = (1,2,3);
B) int arr(4) = {1,2,3,4};
C) int arr[2] = {1,2};
D) None

ANSWER= (C) int arr[2] = {1,2};

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Q.18 What is the maximum number of dimensions an array in C may have

A) 0
B) 1
C) 2
D) No Limit

ANSWER= (D) No Limit

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Q.19 Array is an example of —– type memory allocation.

A) Run time
B) Compile time
C) Both A & B
D) None

ANSWER= (B) Compile time

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Q.20 Find out the output for the following program

  void main()
  {
  int a[3] = {2,5,4}; a[0]++;
  int i=0;
  while(i<3)
  {
  printf(“%d “, i[a]);
  }
  }

A) 3 5 4
B) 2 5 4
C) 4 5 2
D) Error

ANSWER= (A) 3 5 4

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