Question: Requests to access specific cylinders on a disk drive arrive in this order: 26, 20, 4, 40, 8, 38, and 16, and the seek arm

Requests to access specific cylinders on a disk drive arrive in this order: 26, 20, 4, 40, 8, 38, and 16, and the seek arm is initially located at cylinder 20. If the average seek time is 6 milliseconds, what is the total seek time for the following algorithms:

First-come, first served; Closest cylinder next; and Elevator algorithm?

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