Under C-SCAN scheduling, which the disk arm finishes sweeping from the outermost track to the innermost track, it ________.
A) reverses direction
B) skips to the mid-range tracks
C) jumps back to the outermost track
D) services the next n requests using scan.

Question

Quizplus · Accepted Answer

C-SCAN (Circular SCAN) scheduling treats the disk as a circular list, so after reaching the innermost track, the disk arm jumps back to the outermost track to continue servicing requests.

Under C-SCAN Scheduling, Which the Disk Arm Finishes Sweeping from the Outermost