Different algorithms are used for scheduling the disk head so that seek time may be reduced. Calculate total number of heads movement for the following algorithms for the given numbers of disk cylinders. Shortest Seek Time First (SSTF) Circular Look (C-Look) Look Scan C-Scan Current Head Position: 71 Queue: 82, 153, 14, 149, 6, 189, 62, 99, 121 Direction = From current block towards right side
Different algorithms are used for scheduling the disk head so that seek time may be reduced. Calculate total number of heads movement for the following algorithms for the given numbers of disk cylinders. Shortest Seek Time First (SSTF) Circular Look (C-Look) Look Scan C-Scan Current Head Position: 71 Queue: 82, 153, 14, 149, 6, 189, 62, 99, 121 Direction = From current block towards right side
Programming Logic & Design Comprehensive
9th Edition
ISBN:9781337669405
Author:FARRELL
Publisher:FARRELL
Chapter8: Advanced Data Handling Concepts
Section: Chapter Questions
Problem 20RQ
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Question
. Different
- Shortest Seek Time First (SSTF)
- Circular Look (C-Look)
- Look
- Scan
- C-Scan
Current Head Position: 71 Queue: 82, 153, 14, 149, 6, 189, 62, 99, 121
Direction = From current block towards right side
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