Question: please note : its 20 , 10 , 3 (not 30) Q3) Consider three CPU-intensive processes, which require 20, 10 and 3 time units and

please note : its 20 , 10 , 3 (not 30)

Q3) Consider three CPU-intensive processes, which require 20, 10 and 3 time units and arrive at times 0, 2 and 6, respectively. How many context switches are needed if the operating system implements a shortest remaining time first scheduling algorithm? Do not count the context switches at time zero and at the end. (Explain your answer)

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