Computer Science · Operating Systems
Consider a disk that has 150 cylinders, numbered from 0 to 149. Currently, the disk arm is at cylinder 80 and moving towards higher cylinders. The disk access requests for cylinders are 30, 78, 96, 123, 141, 15, 13, 68. What will be the absolute head movement (total distance) traversed by the Read/Write head when the C-SCAN algorithm is used?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1236 cylinders
- 2149 cylinders
- 3135 cylinders
- 4218 cylinders✓
Correct answer
218 cylinders
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