Question: The request queue for disk cylinders is 78, 137, 156, 120, 103, 87, 177, 65. Initially, the read-write head is at cylinder 100. Calculate the

The request queue for disk cylinders is 78, 137, 156, 120, 103, 87, 177, 65. Initially, the read-write head is at cylinder 100. Calculate the total head movements using Shortest Seek Time First (SSTF) disk scheduling algorithm.

Answer Choices:

a. 153
b. 150
c. 154
d. 152

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