ISRO 2017 OS Question

 Consider three CPU intensive processes, which require 10, 20, 30 units and arrive at times 0,2,6 respectively. How many context switches are needed if shortest remaining time first is implemented? Context switch at 0 is included but context switch at the end is ignored

(a) 1 (b) 2 (c) 3 (d) 4

Author: ashu123
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