fork.science

Question: Which statement about multi-level feedback queues (MLFQ) is not correct?

A New tasks start at top-level B Each task has a level and is put into queue for that level
C There is one queue per level D Task level moves one level down (away from top-level) each time it is preempted
E Top-level queues are served first F Task level moves one level up (towards top-level) each time it is preempted