Question

In the ______ algorithm, the disk arm goes as far as the final request in each direction, then reverses direction immediately without going to the end of the disk.

(a) LOOK

(b) SCAN

(c) C-SCAN

(d) C-LOOK

I got this question by my college professor while I was bunking the class.

I would like to ask this question from Disk Scheduling topic in chapter Mass-Storage Structures of Operating System

Answer 1

Right answer is (a) LOOK

To explain I would say: None.