Welcome to the Arrays and Pointers MCQs Page

Dive deep into the fascinating world of Arrays and Pointers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Arrays and Pointers, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Arrays and Pointers, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

Check out the MCQs below to embark on an enriching journey through Arrays and Pointers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Arrays and Pointers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Arrays and Pointers MCQs | Page 6 of 15

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Q51.

What is it that the compiler needs to know about an array that it needs to know about an ordinary variable known as a scalar variable in the trade?

Type

Storage class

Both (a) and (b)

None of the above

Discuss

Answer: (c).Both (a) and (b)

Q52.

An array is a collection of elements of the same data type and it can be referred to with a___________.

Single array

Single name

Single queue

None of the above

Discuss

Answer: (b).Single name

Q53.

An array can be____________type.

Single dimension

Two-dimensional

Three-dimensional

All of the above

Discuss

Answer: (d).All of the above

Q54.

The first element in the array is numbered 0, so the last element is ______ than the size of the array.

1 less

1 greater

Half

2 less

Discuss

Answer: (a).1 less

Q55.

The first element is referred to as array [__________] and any element at x position is referred to as array[_________].

0, X

X, 0

X, Y

None of the above

Discuss

Answer: (a).0, X

Q56.

What are used to refer to array elements?

Nodes

Subscripts

Memory locations

Both (a) and (b)

Discuss

Answer: (b).Subscripts

Q57.

The method of subscribing arrays in ‘________’ is different from that used in many other
programming languages.

C++

C+++

Java

Discuss

Answer: (a).C

Q58.

The first element in the array is numbered__________.

-1

None of the above

Discuss

Answer: (c).0

Q59.

Once memory space is allocated to an array, it cannot be________.

Expanded

Expanded or contracted

Listed

None of the above

Discuss

Answer: (b).Expanded or contracted

Q60.

If the number of elements to be stored in an ______increases or decreases significantly at runtime, it may require more memory space or result in wastage of memory, both of which are unacceptable.

Data structure

List

Array

Computer

Discuss

Answer: (c).Array

Page 6 of 15

Welcome to the Arrays and Pointers MCQs Page

Arrays and Pointers MCQs | Page 6 of 15

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Linked Lists

Stacks and Queues

Recursion

Trees

Graphs

String Operations

Sorting and Searching

Object Oriented Programming

Dynamic Programming

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