Explanation: A dequeue or a double ended queue is a queue with insert/delete defined for both front and rear ends of the queue. 2. Select the function which performs insertion at the front end of the dequeue? a)

What is deque explain?

A queue is an ordered collection of items where the addition of new items happens at one end, called the “rear,” and the removal of existing items occurs at the other end, commonly called the “front.” As an element enters the queue it starts at the rear and makes its way toward the front, waiting until that time when ...

What is a deque object?

A deque, also known as a double-ended queue, is an ordered collection of items similar to the queue. It has two ends, a front and a rear, and the items remain positioned in the collection.