Question: Q22) (Input / Output) Disk requests come in to the disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order.

Q22) (Input / Output) Disk requests come in to the disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. A seek takes 6 msec per cylinder. How much seek time is needed for:

(a) First-come, first served.

(b) Closest cylinder next.

(c) Elevator algorithm (initially moving upward).

In all cases, the arm is initially at cylinder 20.

Step by Step Solution

3.38 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To solve this problem we will calculate the seek time required for each disk scheduling algorithm given Disk requests 10 22 20 2 40 6 38 Seek time per ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Operating System Questions!