An OS follows round-robin scheduling with a time quantum of 4 ms. The CPU is free now and there are 20 processes waiting in the ready queue. The maximum time a process waits before getting the CPU is ______.
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Correct answer: B. 76 ms
Explanation
The last process waits for the 19 ahead of it: 19 × 4 = 76 ms.More System Software and Operating System questions
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