A disk drive has 200 cylinders, if the current head pointer is 41, and the requests queue (from left to right) is: 95, 178, 5, 29, 54, 66, 183, 72
a) what will be the total distance (in cylinders) that the disk arm moves to reply to all the pending requests if the SSTF (shortest seek time first) scheduling algorithm is used? show your work (calculations)
b) if we use C-look schedling stratgy and homing is supported in the system, what is the what will be the total distance (in cylinders) that the disk arm moves to reply to all the pending requests? assumuse the current head pointer is 41 and its heading up. show your work (calculations)
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