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Question #1
A queue is a first-in last-out (FILO) structure.
Question #2
Computer networks use queues to line up processes to be performed.
Question #3
The terms enqueue and requeue are terms used to describe putting data into a queue and getting
data from a queue.
Question #4
If implemented as a linked list, a queue uses a pointer to the head and to the tail of the list.
Question #5
A queue can be visualized as a line of people waiting their turn to do something.