Question: 1. Process Scheduling, Concurrency, Memory Management, File Management and Device Management (a) This question relate to device management: Disk requests are received in the order

1. Process Scheduling, Concurrency, Memory Management, File Management and Device Management

1. Process Scheduling, Concurrency, Memory Management, File Management and Device Management (a) This question relate to device management: Disk requests are received in the order 48, 21, 1, 24, 21, 39, 77, 6 and 60. The starting position for a disk arm is at track 12. Given a disk with 80 tracks (0:79) With the help of diagram, calculate the number of tracks crossed when the following algorithms are used: (i) First-come, first served. (ii) Shortest Seek (Time) First. (iii) The elevator (SCAN) algorithm when the arm is moving down

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