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GATE | GATE-CS-2003 | Question 90

A uni-processor computer system only has two processes, both of which alternate 10ms CPU bursts with 90ms I/O bursts. Both the processes were created at nearly the same time. The I/O of both processes can proceed in parallel. Which of the following scheduling strategies will result in the least CPU utilization (over a long period of time) for this system ?

(A)

First come first served scheduling

(B)

Shortest remaining time first scheduling

(C)

Static priority scheduling with different priorities for the two processes

(D)

Round robin scheduling with a time quantum of 5 ms

Answer

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