Question suppose that a disk drive has 5000 cylinders, Ask an Expert

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Question :

Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4, 999. The drive is currently serving a request at cylinder 2, 150, and the previous request was at cylinder 1, 805.

The queue of pending requests, in FIFO order, is: 286, 1570, 933, 1785, 953, 1545, 1022, 1735, 136

Starting from the current head position, What is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests for each of the following disk-scheduling algorithms?

a. FCFS

b. SSTF

c. SCAN

d. LOOK

e. C-SCAN

f. C-LOOK

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M93128672

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