Question

What is the disk bandwidth?

(a) the total number of bytes transferred

(b) total time between the first request for service and the completion on the last transfer

(c) the total number of bytes transferred divided by the total time between the first request for service and the completion on the last transfer

(d) none of the mentioned

I had been asked this question during a job interview.

My question is taken from Disk Scheduling in division Mass-Storage Structures of Operating System

Answer 1

The correct option is (c) the total number of bytes transferred divided by the total time between the first request for service and the completion on the last transfer

The explanation is: None.