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Master key concepts with interactive flashcards
What is the difference between an error, a defect, and a failure?
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An **error** is a human mistake (e.g., a developer misunderstands a requirement). A **defect** (fault/bug) is the flaw introduced into the code or document as a result. A **failure** occurs when the defect is executed and the system produces an incorrect result. Error → Defect → Failure.
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