Suppose that a disk drive has 3000 cylinders, numbered 0 to 2999. The drive
is currently serving a request at cylinder 250, and the previous request was
at cylinder 175. The queue of pending requests in FIFO order is: 86, 1470,
913, 1774, 948, 324, 2125, 130, 2350, 720. Starting from the current head
position, what is the total distance that the disk arm moves to satisfy the
pending requests for each of the following disk scheduling algorithm?
i) FCFS ii) SSTF
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