B-Q1 20 marks Device Handler Seek Strategies and Primary and Secondary storage a 15 marks On a… 1 answer below »

B-Q1

20 marks

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Device Handler Seek Strategies and Primary and Secondary storage

a

15 marks

On a hard disk, the queue of track requests is as follows:???

11

31

10

27

4

19

35

13

Assume that the head starts at track 11.

Draw a diagram for arm movementfor each of the following seek strategies.(5 marks each)

i)FCFS

ii)SSTF

iii) LOOK

b

5 marks

Calculate the total number of tracks and the average number of tracks travelled by the head to satisfy the requests in B-Q1-a (Details of the calculations is essential).

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