Question

Why do we need multilevel queue scheduling?

Answer 1

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Multilevel Queue Scheduling. It may happen that processes in the ready queue can be divided into different classes where each class has its own scheduling needs. ... Each queue have its own Scheduling algorithm. For example, queue 1 and queue 2 uses Round Robin while queue 3 can use FCFS to schedule there processes.
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Answer 2

Answer:

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• It may happen that processes in the ready queue can be divided into different classes where each class has its own scheduling needs.
• For example, let us take three different types of process System processes, Interactive processes and Batch Processes.