Which disk scheduling algorithm moves the disk head toward one end while servicing requests in that direction and then reverses direction?

Options

  • A. SCAN
  • B. FCFS
  • C. SSTF
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. SCAN

Detailed Explanation

SCAN services requests while moving in one direction and reverses direction after reaching the relevant end of the disk.