The Virtual Operating System Lab

First Come First Serve

FCFS scheduling algorithm simply schedules the jobs according to their arrival time

Shortest Seek Time First

It selects the disk I/O request which requires the least disk arm movement from its current position regardless of the direction

Elevator Scan

In Elevator Scan algorithm, head starts from one end of the disk and moves towards the other end, servicing requests in between one by one and reach the other end

Circular Scan

C-SCAN moves the head from one end servicing all the requests to the other end