Nov2017 cs Q53

0. Consider a disk queue with requests for I/O to blocks on cylinders 98, 183, 37, 122, 14, 124, 65, 67. Suppose SSTF disk scheduling algorithm implemented to meet the requests then the total number of head movements are __________ if the disk head is initially at 53.

Answer
Comment
Array

Option : C
Explanation :

Now add all seek time: 12+2+30+23+84+24+2+59=236 So, option (C) is correct.

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