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A. Suppose the following disk request sequence (track numbers) for a disk with 200 tracks is given: 95, 180, 34, 119, 11, 123, 62, 64. Assume that the initial position of the R/W head is on track 50. Which of the following algorithms is better in terms of the total head movements for each algorithm? First Come -First Serve (FCFS) Shortest Seek Time First (SSTF) algorithm B. Suggest and discuss two disk scheduling algorithms for the systems that place a heavy load on the disk. Give the reason.

A. Suppose the following disk request sequence (track numbers) for a disk with 200 tracks is given: 95, 180, 34, 119, 11, 123, 62, 64. Assume that the initial position of the R/W head is on track 50. Which of the following algorithms is better in terms of the total head movements for each algorithm? First Come -First Serve (FCFS) Shortest Seek Time First (SSTF) algorithm B. Suggest and discuss two disk scheduling algorithms for the systems that place a heavy load on the disk. Give the reason.

Computer Networking: A Top-Down Approach (7th Edition)
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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A. Suppose the following disk request sequence (track numbers) for a disk with 200 tracks is given: 95, 180, 34, 119, 11, 123, 62, 64. Assume that the initial position of the R/W head is on track 50. Which of the following algorithms is better in terms of the total head movements for each algorithm? - First Come -First Serve (FCFS) Shortest Seek Time First (SSTF) algorithm B. Suggest and discuss two disk scheduling algorithms for the systems that place a heavy load on the disk. Give the reason.
Transcribed Image Text:A. Suppose the following disk request sequence (track numbers) for a disk with 200 tracks is given: 95, 180, 34, 119, 11, 123, 62, 64. Assume that the initial position of the R/W head is on track 50. Which of the following algorithms is better in terms of the total head movements for each algorithm? - First Come -First Serve (FCFS) Shortest Seek Time First (SSTF) algorithm B. Suggest and discuss two disk scheduling algorithms for the systems that place a heavy load on the disk. Give the reason.
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