Consider this variation of Round Robin in which a process that has used its full time quantum is returned to the end of the READY queue, while one that has used half of its time quantum is returned to the middle of the queue and one that has used one-fourth of its time quantum goes to a place one-fourth of the distance away from the beginning of the queue.

Please provide responses directly under each question.

1.
Consider this variation of Round Robin in which a process that has
used its full time quantum is returned to the end of the READY queue, while one
that has used half of its time quantum is returned to the middle of the queue
and one that has used one-fourth of its time quantum goes to a place one-fourth
of the distance away from the beginning of the queue.
a) Explain the advantages
and disadvantages of this scheduling policy?
b) What is the objective
of this scheduling policy?
2.
Using the process state
diagrams of Figure 4.6, explain why there’s no transition for these two
circumstances:
a) From the READY state to
the WAITING state
b) From the WAITING state
to the RUNNING state

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