If the queue is nonempty, the operation ____ returns the last element of the queue and so the element of the queue indicated by the pointer queueRear is returned.
A) front
B) middle
C) near
D) back

Question

Quizplus · Accepted Answer

The operation that returns the last element of the queue is referred to as "back." This operation typically returns the element at the position indicated by the pointer queueRear in many queue implementations.

If the Queue Is Nonempty, the Operation ____ Returns the Last