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Consider a disk system having 60 cylinders. Disk requests are received by the disk drive for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. Assuming the disk head is currently at cylinder 20, what is the time taken to satisfy all the requests if it takes 2 milliseconds to move from one cylinder to an adjacent one and the Shortest Seek Time First (SSTF) algorithm is used?

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Correct answer: C. (C) 120 milliseconds

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