Question

Discuss about enqueue and dequeue operations in queue

Answer 1

Answer:

In the queue only two operations are allowed enqueue and dequeue. Enqueue means to insert an item into the back of the queue, dequeue means removing the front item. ... In a stack we remove the item the most recently added; in a queue, we remove the item the least recently added.

Answer 2

Answer:

In the queue only two operations are allowed enqueue and dequeue. Enqueue means to insert an item into the back of the queue, dequeue means removing the front item. The picture demonstrates the FIFO access. The difference between stacks and queues is in removing.