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UGC-NET | UGC NET CS 2016 July – II | Question 38

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  • Last Updated : 20 Apr, 2018
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If the Disk head is located initially at track 32, find the number of disk moves required with FCFS scheduling criteria if the disk queue of I/O blocks requests are:
98, 37, 14, 124, 65, 67
(A) 320
(B) 322
(C) 321
(D) 319


Answer: (C)

Explanation: 38
Total disk movement = 66 + 61 + 23 + 110 + 2 = 321.
So, option (C) is correct.


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