Gate CS-2014-1 Question Paper With Solutions

Q. 29 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.

(A) 1

(B) 2

(C) 3

(D) 4

Answer: (C)

Explanation:

Gate CS-2014-1 Question Paper With Solutions

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