1) Which of the following statements is incorrect with respect to scheduling in

Question

1) Which of the following statements is incorrect with respect to scheduling in interactive systems?

A) one of the oldest, simplest, fairest and most widely used algorithm is multiple queues

B) with round-robin scheduling setting the quantum too short causes too many process switches and lowers CPU efficiency

C) with priority scheduling to prevent high-priority processes from running indefinitely, the scheduler may decrease the priority of the currently running process

D) if user 1 starts up 9 processes and user 2 starts up 1 process, with round robin or equal priorities, user 1 will get 90% of the CPU and user 2 will get only 10% of it

Explanation / Answer

Option D   

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