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Determinism in a real time kernel means that an operation

  • A.takes the shortest time technically achievable
  • B.always produces the same numerical result
  • C.never has to wait for another task to finish
  • D.takes a bounded and predictable time

Answer: D

A bound that can be stated and relied upon is what allows a deadline to be proved, and a kernel advertises its operations as taking a fixed number of cycles or a time independent of the number of tasks. Being fast on average is a different and weaker property.

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