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Match the term with its meaning.

1. Latency   2. Jitter   3. Context switch

P. Variation in a periodic task's release time   Q. Saving one task's state and restoring another's   R. Delay from an event to the start of its handling

  • A.1-Q, 2-P, 3-R
  • B.1-R, 2-P, 3-Q
  • C.1-P, 2-R, 3-Q
  • D.1-R, 2-Q, 3-P

Answer: B

Correct answer: 1-R, 2-P, 3-Q

Three distinct measurements. Latency is the delay from an event to the start of its handling. Jitter is the variation in that timing from one occurrence to the next, and for a periodic task it is the spread in release times. And a context switch is the saving and restoring that a change of task requires.

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