Question 4: Disk Drives Suppose that a disk drive has 5,000 blocks numbered 0 to 4999. The drive is currently services a request at block 143, and the previous request was at block 125. The queue of pending requests, in FIFO order, is: 86, 1470, 913, 1774, 948, 1509, 1022, 1750, 130. Start from the current head position, what is the total distance (in blocks) that the disk arm moves to satisfy all the pending
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