Given four processes and their CPU burst times: P1 = 6 ms, P2 = 8 ms, P3 = 7 ms, P4 = 3 ms. Using non-preemptive Shortest Job First (SJF) scheduling, the execution sequence is P4, P1, P3, P2. Which of the following statements is correct?

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Computer Science · Operating Systems

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The waiting time of P3 is 9 ms.

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Answer 1

The waiting time of P2 is 7 ms.

Answer 2

The waiting time of P4 is 3 ms.

Answer 3

The waiting time of P3 is 9 ms.

Answer 4

The average waiting time is 9 ms.

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