GATEverse Practice, past papers & mock tests
GATE 2018
Operating SystemsFile System and Device ManagementhardNAT2 marks
A disk has 200 cylinders (0..199). Requests arrive for cylinders: [72, 134, 20, 86, 116, 16]. Current head position is at cylinder 80, moving towards higher cylinder numbers. Power dissipation is 20 mW per 100 cylinders moved, and 15 mW for reversing direction once. Using Shortest Seek Time First (SSTF), total power consumption in milliwatts is _______
Save your progress

Related Operating Systems PYQs