Question

Consider a disk with 40 cylinders. A request comes in to read a block on cylinder...

Consider a disk with 40 cylinders. A request comes in to read a block on cylinder 11. While the seek to cylinder 11 is in progress, new requests come in for cylinders 4, 24, 9, 32, 1, and 17, in that order. What are total cylinder motions if we use FCFS (First in First Serve), SSF (Shortest Seek First) and Elevator algorithms?

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