Which of the following statements are true?
A. If the time quantum is extremely small, round robin can result in a large number of context switches.
B. The average turnaround time of a set of processes does not necessarily improve as the time-quantum size increases.
C. The average turnaround time can be improved if most processes finish their next CPU burst in a single time quantum.
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Correct answer: D. A, B, C
Explanation
All three are standard observations from Silberschatz on round-robin scheduling.More System Software and Operating System questions
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