Consider a disk with tracks numbered from 0 to 255. The disk arm is moving towards highnumbered tracks and it takes 1ms to travel from one track to the next adjacent one. While retrieving data from Track 52, the following list of requests has arrived: 185, 17, 124, 83, 40, 29, 76, 112 Identify the disk scheduling algorithms based on the following descriptions:Selects the disk I/O request that requires the least amount of travel from the current position of the disc arm, regardless of direction.The disc arm moves back and forth over the disk, satisfying requests in its path. Based on your answer in (a), perform disk scheduling analysis using these TWO (2) disks scheduling algorithms. Compute the average seek time for both algorithms. Based on your answer in (b), which algorithm performs better disk scheduling? Justify your answer.

here in this problem given information is disk with tracks numbered from 0 to 255 and The disk arm…

Answered: Selects the disk I/O request that…

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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Question

Consider a disk with tracks numbered from 0 to 255. The disk arm is moving towards highnumbered tracks and it takes 1ms to travel from one track to the next adjacent one. While retrieving data from Track 52, the following list of requests has arrived:

185, 17, 124, 83, 40, 29, 76, 112

Identify the disk scheduling algorithms based on the following descriptions:
Selects the disk I/O request that requires the least amount of travel from the current position of the disc arm, regardless of direction.
The disc arm moves back and forth over the disk, satisfying requests in its path.

Based on your answer in (a), perform disk scheduling analysis using these TWO (2) disks scheduling algorithms. Compute the average seek time for both algorithms.