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 7 of 15

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Q61.

The total number of elements that can be stored in a string without increasing its current amount of allocated memory is called its:

Size

Length

Capacity

Maximum size

Discuss

Answer: (c).Capacity

Q62.

A double sub-scripted array declared as int a[ 3 ][ 5 ]; has how many elements?

Discuss

Answer: (a).15

Q63.

Using square brackets ([]) to retrieve vector elements .............. perform bounds checking; using member function at to retrieve vector elements ................ perform bounds checking.

Does not, does not

Does not, does

Does, does not

Does, does

Discuss

Answer: (b).Does not, does

Q64.

The largest element of an array index is called its .................

lower bound

range

upper bound

All of these

Discuss

Answer: (c).upper bound

Q65.

The information about an array that is used in a program will be stored in

dope vector

system table

symbol table

activation record

Discuss

Answer: (a).dope vector

Q66.

Which of the following expressions accesses the (i,j)th entry of an (m x n) matrix stored in column major form?

m x(j -1) + i

n x(m-i) + j

n x (i -1) + j

m x (n-j) + j

Discuss

Answer: (a).m x(j -1) + i

Q67.

Sparse matrices have

higher dimension

many zero entries

many non-zero entries

none of the above

Discuss

Answer: (b).many zero entries

Q68.

For a linear search in an array of n elements the time complexity for best, worst and average case are ......., ....... and ........ respectively

O(1),O(n) and O(n)

O(1), O(n) and O(n/2)

O(n), O(1), and O(n/2)

O(1), O(n) and (n-1/2)

Discuss

Answer: (a).O(1),O(n) and O(n)

Q69.

The expression which accesses the (ij)th entry of am x n matrix stored in column majorform is

n x (i-1)+j

n x (m-i)+j

m x (n-j)+j

m x (j-1)+i

Discuss

Answer: (d).m x (j-1)+i

Q70.

An object that can be used in accessing another object, is known to be

Pointer

Arrays

Structure

Reference

Discuss

Answer: (a).Pointer

Page 7 of 15

Welcome to the Arrays and Pointers MCQs Page

Arrays and Pointers MCQs | Page 7 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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