Computer Science · Operating Systems
The head of a moving-head disk with 200 tracks (numbered 0 to 199) has just finished a request at track 125, and is currently serving a request at track 143. The queue of requests is given in FIFO order as: 86, 147, 91, 177, 94, 150, 102, 175, 130. What will be the t otal number of head movem ents (in cylinders) required to satisfy these requests using the SCAN algorithm?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1264 cylinders
- 2154 cylinders
- 3169 cylinders✓
- 4259 cylinders
Correct answer
169 cylinders
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