Problem Statement

Question 27 Consider a disk drive has 1000 cylinders, numbered 0 to 999. The disk is currently serving a request at cylinder 350, and the previous request was at cylinder 300. The disk arm is currently moving in increasing direction through higher cylinder numbers. The queue of pending requests, in FIFO order, is [unclear] . Calculate the head movement if the disk follows the LOOK algorithm. Pick ONE option 420 1000 9250 2270