Suppose a disk has 201 cylinders, numbered from 0 to 200. At some time, the…
GATE · 2014 · CS · Set 1 · Computer Science & IT
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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