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Operating Systems
Q12. Marks: +2.0 UGC NET Paper 2: Computer Science17th June 2023

Consider a disk system with cylinders. The request to access the cylinders occurs in the following sequence:

4, 34, 10, 7, 19, 73, 2, 15, 6, 20

Assuming that the head is currently at cylinder 50, what is the time taken to satisfy all requests if it takes 1 ms to move from one cylinder to adjacent one and shortest seek time first policy is used? 

1.119 ms ✓ Correct
2.120 ms
3.142 ms
4.146 ms
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