Question

moving head disk with 200

Answer 1

Answer:

moving head disk with 200

so what I can do for you

Answer 2

Answer:

In SCAN we go from starting point to inside till zero and then go outside till the last request.

tracks 0 - 99

starting: 65

requests: 93,173,132,20,35,150,100,175, after sorting: 20,35,93,100,132,150,173,175

servicing requests: 65 -> 35 -> 20 -> 0 -> 93 -> 100 -> 132 -> 150 -> 173 -> 175

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