in Operating System
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consider a disk has 150 cylinders numbered from 0 to 149. currently the disk arm is at 80 and moving towards higher cylinders. there is disk access requests for cylinders are 30, 78, 96, 123, 141 ,15, 13, 68. what will be the absolute difference traversed  by R/w head whwn CSCAN and CLOOK is used?
in Operating System
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