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Chapter 3 · SoftwarePractice
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CONCEPT PRACTICE

Preemption and task priority scheduling

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2024 Spring · Subject A · Q13

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Q13. An operating system adopts the priority scheduling algorithm for scheduling processes. There are five processes A, B, C, D and E arriving at the same time with estimated running times of 10, 6, 2, 4, and 8 milliseconds, respectively. Their priorities are 3, 5, 2, 1, and 4, where 1 is the highest priority. What is the mean process turnaround time?

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Source: 2024S_FE-A_Questions.pdf, PDF page 8. ID: 2024S-A-Q013. Explanation written for this textbook.

Original question · Q13
Q13. An operating system adopts the priority scheduling algorithm for scheduling processes. There are five processes A, B, C, D and E arriving at the same time with estimated running times of 10, 6, 2, 4, and 8 milliseconds, respectively. Their priorities are 3, 5, 2, 1, and 4, where 1 is the highest priority. What is the mean process turnaround time?

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