Mathematics · Operating Systems
Consider a disk queue with requests for I/O to blocks on cylinders 98, 183, 37, 122, 14, 124, 65, and 67 (range 0–199). The head is initially at cylinder 53 moving towards higher-numbered cylinders. What is the total head movement using the Elevator (SCAN) algorithm?
- 1331✓
- 2342
- 3236
- 4208
Correct answer
331
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