The I/O operation depends on the computer system, the operating system, and the nature ... runs for the requests of different algorithms because total head movement is the criteria for analyzing the ...

SSTF can also be influenced by the arrival order of the requests. The scan (or elevator) algorithm is a disk scheduling algorithm that moves the disk head in one direction, servicing all the ...

Scan is often called Elevator Scheduling Algorithm, due to the way it works. "," In SCAN, disk arm starts from one end of the disk and executes all the requests in its way till it reaches the"," other ...