Error: A mistake in coding is called error,error found by tester is called defect defect accepted by development team then it is called bug,build does not meet the requirements then it is failure
Mistake (an error): A human action that produces an incorrect result.
Fault: An incorrect step, process or data definition.
- manifestation of the error in implementation
- this is really nebulous, hard to pin down the 'location'
-When everything is correct but we are not able to get a result
Failure: An incorrect result
Bug: Deviation from the expected result.
Defect: Problem in algorithm leads to failure.
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