Question: Consider a disk queue with requests for I/O to blocks on cylinders for a disk with 51 cylinders (0-50). 11, 1, 36, 16, 34, 9,

Consider a disk queue with requests for I/O to blocks on cylinders for a disk with 51 cylinders (0-50). 11, 1, 36, 16, 34, 9, 12 in that order. Assume the head is at location 11 and moving up, when needed.

What is the total seek distance traveled to satisfy all the requests.

Considering look -elevator- scheduling, the total number of head movements is?

Considering SSTF (shortest seek time first) scheduling, the total number of head movements is?

Considering C-Scan scheduling, the total number of head movements is?

Considering FCFS (first come first served) scheduling, the total number of head movements is?

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