Quiz on Queue Data Structures

What is a Queue in data structures?

• A linear data structure

• A non-linear data structure

• A type of tree

• A type of graph

Which operation is used to add an element to a Queue?

• Dequeue

• Push

• Enqueue

• Pop

What is the primary function of the Dequeue operation?

• To check if the queue is empty

• To display all elements

• To add an element to the back

• To remove an element from the front

Which type of Queue allows elements to be added and removed in a circular manner?

• Linear Queue

• Circular Queue

• Double-ended Queue

• Priority Queue

What is a Priority Queue?

• A queue that does not allow duplicates

• A queue that can only hold integers

• A queue where elements are processed based on priority

• A queue where elements are processed in the order they arrive

Which of the following is NOT a primitive operation of a Queue?

• Peek

• Dequeue

• Sort

• Enqueue

In a Linear Queue, what happens when the queue is full?

• It automatically resizes

• It cannot accept new elements

• It can still accept new elements

• It wraps around

What is the main advantage of using a Circular Queue over a Linear Queue?

• It allows for efficient use of space

• It is easier to implement

• It can store more data types

• It uses less memory

Which of the following best describes the Enqueue operation?

• Checking the front element

• Removing an element from the queue

• Clearing the queue

• Adding an element to the queue

What is the time complexity of the Enqueue operation in a Queue?

• O(1)

• O(n)

• O(log n)

• O(n^2)