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A round robin scheduler with a 10 ms slice and 5 ready tasks gives each task the processor at least once every

  • A.50 ms
  • B.10 ms
  • C.2 ms
  • D.5 ms

Answer: A

Four other tasks each taking a full slice before the turn comes round again is forty milliseconds of waiting plus the task's own ten. That figure is what fixes the responsiveness of a time-sliced system, and it grows with the number of tasks.

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