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The relation PerformanceX = 1 / Execution TimeX shows that

  • A.Performance is increased when execution time is decreased
  • B.Performance is increased when execution time is increased
  • C.
    Performance is decreased when execution time is decreased
  • D.
    None


Answer: A

Correct answer: Performance is increased when execution time is decreased

Performance is defined as the reciprocal of execution time, so the two move in opposite directions: halving the time doubles the performance. Any option in which both rise or both fall contradicts the reciprocal relation.

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