Virtual Labs

What is the primary purpose of a linear queue implemented using a linked list?

To dynamically manage memory for queue operations
To sort elements in ascending order
To perform stack operations
To traverse a graph

Which pointer is used to add elements in a linear queue implemented using a linked list?

Rear pointer
Front pointer
Top pointer
Current pointer

What happens when the queue is empty in a linked list implementation?

Both front and rear pointers are null
Only the rear pointer is null
Only the front pointer is null
The queue contains a dummy node

Which operation removes an element from the front of the queue?

Dequeue
Enqueue
Push
Pop

What is the time complexity of enqueue and dequeue operations in a linked list implementation of a queue?

O(1)
O(n)
O(log n)
O(n²)

Linear Queue Using Linked List Pretest