Consider a job mix in which there is one CPU-intensive job, A, that has a single infinitely long CPU burst, and 3 I/O-intensive jobs, B, C, and D. The scheduler uses Round Robin scheduling with a time quantum of 3 ms. Here is an observed execution, where initially A is running and B, C, and D are in the ready queue in this order: AAAoBBoCoDoAAAoBBoAAAoDoAAAoBBoCoDoAAAoBBo Answer the following questions based on the above. Explain and give a specify a part of the execution. a) Could any of B’s I/O-burst time be 6 ms? Explain. b) Could any of B’s I/O-burst time be 4 ms? Explain.
Consider a job mix in which there is one CPU-intensive job, A, that has a single infinitely long CPU burst, and 3 I/O-intensive jobs, B, C, and D. The scheduler uses Round Robin scheduling with a time quantum of 3 ms. Here is an observed execution, where initially A is running and B, C, and D are in the ready queue in this order: AAAoBBoCoDoAAAoBBoAAAoDoAAAoBBoCoDoAAAoBBo Answer the following questions based on the above. Explain and give a specify a part of the execution. a) Could any of B’s I/O-burst time be 6 ms? Explain. b) Could any of B’s I/O-burst time be 4 ms? Explain.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider a job mix in which there is one CPU-intensive job, A, that has a single infinitely long CPU burst, and 3 I/O-intensive jobs, B, C, and D. The scheduler uses Round Robin scheduling with a time quantum of 3 ms. Here is an observed execution, where initially A is running and B, C, and D are in the ready queue in this order:
AAAoBBoCoDoAAAoBBoAAAoDoAAAoBBoCoDoAAAoBBo
Answer the following questions based on the above. Explain and give a specify a part of the execution.
a) Could any of B’s I/O-burst time be 6 ms? Explain.
b) Could any of B’s I/O-burst time be 4 ms? Explain.
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