Assuming that the disk head is located initially at 32, find the number of…
2013
Assuming that the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O block requests are 98, 37, 14, 124, 65, 67
- A.
310
- B.
324
- C.
320
- D.
321
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Correct answer: D
FCFS processes requests in arrival order. Starting at 32, the head moves to 98 (66), then 37 (61), 14 (23), 124 (110), 65 (59), and finally 67 (2). Summing these movements gives a total of 321 disk moves.
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