UPPCL AE 2022
October 9, 2023Computer-Networks
October 9, 2023Operating-Systems
| Question 22 |
Suppose a disk has 201 cylinders, numbered from 0 to 200. At some time the disk arm is at cylinder 100, and there is a queue of disk access requests for cylinders 30, 85, 90, 100, 105, 110, 135 and 145. If Shortest-Seek Time First (SSTF) is being used for scheduling the disk access, the request for cylinder 90 is serviced after servicing ____________ number of requests.
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Question 22 Explanation:
90 is serviced after servicing three requests, i.e.,
100 → 105 → 110 → 90
Correct Answer: A
Question 22 Explanation:
90 is serviced after servicing three requests, i.e.,
100 → 105 → 110 → 90
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