Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

18 Questions

0 Views

Data Structure Queues

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary characteristic of a queue?

Last In, Last Out

First In, First Out (correct)

Last In, First Out

First In, Last Out

In an array-based queue implementation, what is a potential drawback?

The queue can hold an unlimited number of elements

Elements can be inserted or removed from any position

The size of the queue must be determined at declaration (correct)

The queue can only hold a single element

What is the purpose of the Enqueue operation in a queue?

Remove an element from the front of the queue

Insert an element at the rear of the queue (correct)

Check if the queue is full

Check if the queue is empty

In a queue, which end is used for removal of elements?

Front Signup and view all the answers

What is a potential issue in implementing an array-based queue?

All of the above Signup and view all the answers

What is the name of the algorithm used to implement Enqueue and Dequeue operations in an array-based queue?

Naive algorithm Signup and view all the answers

What is the purpose of the QueueType::~QueueType() function?

To deallocate the memory allocated for the queue Signup and view all the answers

What is the purpose of the MakeEmpty function?

To remove all elements from the queue Signup and view all the answers

What is the purpose of the IsEmpty function?

To check if the queue is empty Signup and view all the answers

What happens when you try to enqueue an element to a full queue?

A queue overflow condition occurs Signup and view all the answers

What happens when you try to dequeue an element from an empty queue?

A queue underflow condition occurs Signup and view all the answers

What is the time complexity of the Enqueue function?

O(1) Signup and view all the answers

What is the main issue with the naïve way of implementing a queue using an array?

It is inefficient due to shifting elements Signup and view all the answers

How do you initialize the front and rear indices in a queue implementation using an array?

front = 0, rear = -1 Signup and view all the answers

What is the condition to check if the queue is full in a circular array implementation?

rear+1 == front Signup and view all the answers

What is the purpose of the isFull() function in a queue implementation?

To check if the queue is full Signup and view all the answers

How do you detect an empty queue in a circular array implementation?

front == 0 && rear == -1 Signup and view all the answers

What is the advantage of using a counter to keep track of the number of elements in the queue?

It makes it easier to detect an empty or full queue Signup and view all the answers