Welcome to the Stacks and Queues MCQs Page

Dive deep into the fascinating world of Stacks and Queues with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Stacks and Queues, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Stacks and Queues, 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 Stacks and Queues. 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 Stacks and Queues. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Stacks and Queues MCQs | Page 4 of 25

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Q31.

A ……………….. is a linear list in which insertions and deletions are made to from either end of the structure.

circular queue

random of queue

priority

dequeue

Discuss

Answer: (d).dequeue

Q32.

In a priority queue, insertion and deletion takes place at ………………

front, rear end

only at rear end

only at front end

any position

Discuss

Answer: (d).any position

Q33.

Which of the following is an application of stack?

finding factorial

tower of Hanoi

infix to postfix conversion

all of the above

Discuss

Answer: (d).all of the above

Q34.

Which of the following name does not relate to stacks?

FIFO lists

LIFO list

Piles

Push-down lists

Discuss

Answer: (a).FIFO lists

Q35.

The term "push" and "pop" is related to the

array

lists

stacks

all of above

Discuss

Answer: (c).stacks

Q36.

A data structure where elements can be added or removed at either end but not in the middle

Linked lists

Stacks

Queues

Deque

Discuss

Answer: (d).Deque

Q37.

Which data structure allows deleting data elements from front and inserting at rear?

Stacks

Queues

Deques

Binary search tree

Discuss

Answer: (b).Queues

Q38.

The postfix form of the expression (A + B)∗(C∗D − E)∗F / G is

AB + CD∗E − FG /∗∗

/ AB + CD ∗ E − F ∗∗G /

AB + CD ∗ E − ∗F ∗ G /

AB + CDE ∗ − ∗ F ∗ G /

Discuss

Answer: (a).AB + CD∗E − FG /∗∗

Q39.

What is the postfix form of the following prefix expression -A/B*C$DE ?

ABCDE$*/-

A-BCDE$*/-

ABC$ED*/-

A-BCDE$*/

Discuss

Answer: (a).ABCDE$*/-

Q40.

The minimum number of multiplications and additions required to evaluate the polynomial
P = 4x3+3x2-15x+45 is

6 & 3

4 & 2

3 & 3

8 & 3

Discuss

Answer: (c).3 & 3

Page 4 of 25

Welcome to the Stacks and Queues MCQs Page

Stacks and Queues MCQs | Page 4 of 25

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Arrays and Pointers

Linked Lists

Recursion

Trees

Graphs

String Operations

Sorting and Searching

Object Oriented Programming

Dynamic Programming

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