If a queue contained the entries w,x,y,z (from head to tail),which of the following would be the contents after two entries were removed and the entry r was inserted?
A) w, x, r
B) y, z, r
C) r, y, z
D) r, w, x

Question

Quizplus · Accepted Answer

If two entries are removed from the head of the queue, then we remove w and x. So, the queue now contains y, z. After inserting r, the contents of the queue will be y, z, r.

If a Queue Contained the Entries W,x,y,z (From Head to Tail),which