Which disk scheduling algorithm works by moving the head from one end of the…
Which disk scheduling algorithm works by moving the head from one end of the disk to the other, servicing requests along the way?
Answer: D. SCAN — SCAN moves the disk head in one direction across the disk, services requests along the way, and then reverses direction at the end.
- A.
FCFS
- B.
C-SCAN
- C.
LOOK
- D.
SCAN
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Correct answer: D
SCAN moves the disk head in one direction across the disk, services requests along the way, and then reverses direction at the end.
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