Question: Disk requests come in to the disk driver for cylinders 2 5 , 4 1 , 7 , 3 2 , 2 2 , 5

Disk requests come in to the disk driver for cylinders 25,41,7,32,22,5 and 15, in
that order.
A s eek takes 20 msec per cylinder moved. How much s eek time is needed for

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