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Computers and Technology, 03.12.2020 20:10 filthyfish

Suppose the read/write head is at track 97, moving toward track 199 (the highest-numbered track on the disk) and the disk request queue contains read/write requests for sectors on track 84, 155, 103, 96, and 197, respectively. A) What is the total number of head movements needed to satisfy the requests in the queue using the first come first served (FCFS) optimization strategy?
B) What is the total number of head movements needed to satisfy the requests in the queue using the Scan optimization strategy?
C) What is the total number of head movements needed to satisfy the requests in the queue using the Look optimization strategy?

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