Suppose a disk has N cylinders, numbered from 0 to P. At some time, the disk arm is at cylinder X, and there is a queue of disk access requests for cylinders R1, R2, R3, R4. Explain which Disk scheduling algorithm should be the best to be used between the following a) FIFO b) CSCAN c) SSTF d) FSCAN e) CLOOK N: B • • Choose any acceptable numeric numbers for N, P, X, R1, R2, R3 and R4 • • Plagiarism Will be penalized heavily

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Suppose a disk has N cylinders, numbered from 0 to P. At some time, the disk arm is at cylinder X, and there is a queue of disk access requests for cylinders R1, R2, R3, R4. Explain which Disk scheduling algorithm should be the best to be used between the following a) FIFO b) CSCAN c) SSTF d) FSCAN e) CLOOK N: B • • Choose any acceptable numeric numbers for N, P, X, R1, R2, R3 and R4 • • Plagiarism Will be penalized heavily

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