engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Operating Systems CPU Scheduling Disk Scheduling
There are 200 tracks on a disk platter and the pending requests have come in the order - 36, 69, 167, 76, 42, 51, 126, 12, and 199, Assume the arm is located at the 100th track and moving towards track 200. If the sequence of disc access is 126, 167, 199, 12, 36, 42, 51, 69, and 76 then which disc access scheduling policy is used?
1
Elevator
2
Shorter Seek time First
3
C-SCAN
4
First Come First Served