Feedback queues
(A) are very simple to implement
(B) dispatch tasks according to execution characteristics
(C) are used to favour real time tasks
(D) require manual intervention to implement properly
Answer: (B)
Explanation: Multilevel Feedback Queue Scheduling (MLFQ) keep analyzing the behavior (time of execution) of processes and according to which it changes its priority of execution of processes.
Option (C) is correct.
Refer: Multilevel Feedback Queue Scheduling
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