Question: Consider a secondary memory system with 256 numbered tracks. It is assumed that the read /write head is now placed vertically on Track 55.

Consider a secondary memory system with 256 numbered tracks. It is assumed

Consider a secondary memory system with 256 numbered tracks. It is assumed that the read /write head is now placed vertically on Track 55. Requests arrive for access to the following tracks: 50, 90, 85, 125, 40, 145 With the help of diagram Calculate the total head movement after all requests have been satisfied using the following disk scheduling algorithm. a) FIFO b) SSTF c) SCAN with Previous Head Position as 20. d) C-SCAN with Previous Head Position as 130.

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