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 2 of 25

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Q11.

Queue data structure works on

LIFO

FIFO

FILO

none of the above

Discuss

Answer: (b).FIFO

Q12.

Which of the following uses FIFO method

Queue

Stack

Hash Table

Binary Search Tree

Discuss

Answer: (a).Queue

Q13.

In C programming, when we remove an item from bottom of the stack, then −

The stack will fall down.

Stack will rearranged items.

It will convert to LIFO

This operation is not allowed.

Discuss

Answer: (b).Stack will rearranged items.

Q14.

What data structure can be used to check if a syntax has balanced parenthesis ?

queue

tree

list

stack

Discuss

Answer: (d).stack

Q15.

Stack is also called as

Last in first out

First in last out

Last in last out

First in first out

Discuss

Answer: (a).Last in first out

Q16.

Inserting an item into the stack when stack is not full is called …………. Operation and deletion of item form the stack, when stack is not empty is called ………..operation.

push, pop

pop, push

insert, delete

delete, insert

Discuss

Answer: (a).push, pop

Q17.

……………. Is a pile in which items are added at one end and removed from the other.

Stack

Queue

List

None of the above

Discuss

Answer: (b).Queue

Q18.

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

Stacks

Queues

Dequeues

Binary search tree

Discuss

Answer: (b).Queues

Q19.

A ……. is a data structure that organizes data similar to a line in the supermarket, where the first one in line is the first one out.

Queue linked list

Stacks linked list

Both of them

Neither of them

Discuss

Answer: (a).Queue linked list

Q20.

Which data structure is used in breadth first search of a graph to hold nodes?

Stack

queue

Tree

Array

Discuss

Answer: (b).queue

Page 2 of 25

Welcome to the Stacks and Queues MCQs Page

Stacks and Queues MCQs | Page 2 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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