Question 8648 – Process-Scheduling
January 11, 2024GATE 2001
January 11, 2024Process-Scheduling
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Question 10
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The arrival time, priority, and duration of the CPU and I/O bursts for each of three processes P1, P2 and P3 are given in the table below. Each process has a CPU burst followed by an I/O burst followed by another CPU burst. Assume that each process has its own I/O resource.
The multi-programmed operating system uses preemptive priority scheduling. What are the finish times of the processes P1, P2 and P3 ?
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11, 15, 9
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10, 15, 9
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11, 16, 10
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12, 17, 11
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Question 10 Explanation:
Gantt-chart:
Hence, finish times of process.
P1 – 10
P2 – 11
P3 – 9
Hence, finish times of process.
P1 – 10
P2 – 11
P3 – 9
Correct Answer: B
Question 10 Explanation:
Gantt-chart:
Hence, finish times of process.
P1 – 10
P2 – 11
P3 – 9
Hence, finish times of process.
P1 – 10
P2 – 11
P3 – 9