In general, SCAN disk head scheduling will involve less movement of the disk heads than C-SCAN disk head scheduling.

Name: In general, SCAN disk head scheduling will involve less movement of the disk heads than C-SCAN disk head scheduling.
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SCAN disk head scheduling always moves the head in one direction only, while C-SCAN moves it to the end of the disk and then back to the beginning, resulting in more movements.

In General, SCAN Disk Head Scheduling Will Involve Less Movement