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CPU Scheduling

Three processes each with CPU burst time of 5 units arrive in a system in which RR scheduling is followed. If time quantum is changed from 1 unit to 5 units then what will be the effect on the resulting turnaround time?

(A) Decreases by 72%
(B) Increases by 28%
(C) Decreases by 28%
(D) Increases by 72%


Discuss: (Solution will be available on 8/6/2017)