Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is currently serving a request at cylinder 2,050,
and the previous request was at cylinder 2,215. The queue of pending requests, in FIFO order, is: 4040, 606, 3795, 374, 3036, 1065, 434, 2567, 2950, 3540 Starting from the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests for each of the following disk-scheduling algorithms? a. FCFS b. SSTF c. SCAN
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Answer: Information
Explanation: Information flows consist of data related to demand, shipments, orders, returns, and schedules, as well as changes in any of these data.