A multilevel feedback queue scheduler generally assigns a long quantum to:
A multilevel feedback queue scheduler generally assigns a long quantum to:
Answer: B. Low priority processes — Answer: Low priority processes Explanation: In a multilevel feedback queue (MLFQ) scheduler, higher-priority queues are given shorter time quanta to keep…
- A.
High priority processes
- B.
Low priority processes
- C.
New processes
- D.
Old processes
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Correct answer: B
Answer: Low priority processes
Explanation: In a multilevel feedback queue (MLFQ) scheduler, higher-priority queues are given shorter time quanta to keep interactive processes responsive. Processes that use more CPU time are gradually moved (demoted) to lower-priority queues.
Lower-priority queues have longer time quanta to reduce context-switch overhead for CPU-bound processes.
This design balances responsiveness for short interactive tasks with efficiency for long-running CPU-bound tasks.
Therefore, long quanta are generally assigned to processes in lower-priority queues.