Virtual Labs

What is a circular queue?

A linear data structure where the last position is connected to the first
A queue that allows insertion at both ends
A stack implemented in a circular manner
A queue with no fixed size

What is the primary advantage of a circular queue over a linear queue?

Efficient utilization of memory
Faster access to elements
Easier implementation
No need for a rear pointer

Which condition indicates that a circular queue is full?

(rear + 1) % size == front
rear == front
rear == size - 1
front == size - 1

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

Underflow condition
Overflow condition
The queue resets
The rear pointer moves forward

What is the time complexity of enqueue and dequeue operations in a circular queue?

O(1)
O(n)
O(log n)
O(n²)

Virtual Labs

Circular Queue Pretest

Answer the multiple-choice questions below to test your knowledge!

Multiple-Choice Questions:

Virtual Labs

Circular Queue Pretest

Answer the multiple-choice questions below to test your knowledge!

Multiple-Choice Questions:

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