What is the difference between bug,defect, error, failulre,
fault & mistake?

Answer Posted / raghavendra chitral

Defect is the deviation from Requirements given by
customer/client.(Black Box Testing)
Error is related to the development activities it may be
synatctical or logical error.(White box testing)
Failure is the impact of error/defect on other features of
program or application.(Black box testing)
Bug is the informal name given to defect(BBT)

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