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

Answer Posted / anitha

Error : It is the human mistake done on the part of the
developers

Defect : Deviation or variation between expected result and
actual result

Bug : Defect and bug are almost same.the term bug which is
used in the place of defect.It is a informal term.

Fault : The error which has occured after completion of the
product

Failure : when the defect is visible to end users

Since we say

error,defect,bug - process related errors
fault,failure - product related errors

Is This Answer Correct ?    4 Yes 1 No



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