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The three states every real time kernel provides for a task are ready, running and

  • A.compiled
  • B.interrupted
  • C.scheduled
  • D.blocked

Answer: D

Correct answer: blocked

Ready means able to run and waiting only for the processor; running means in possession of it; blocked means waiting for something else and therefore not a candidate for scheduling at all. Most kernels add a suspended state, but these three are the minimum any preemptive kernel must provide.

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