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  1. Categories >> Software >> Testing >> Manual Testing
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What is the difference between bug,defect, error, failulre,
fault & mistake?

Question Posted / mrs phogat

Answer Posted / mrs phogat

BUG: A Bug is a Application Error, in Software doesn't
affect the whole application in terms of running.It doesn't
stop the execution of application.It produces wrong output.
OR
Anything that prevents the software program to perform
its required function.
OR
Any thing that effects functionality.


Error : A mistake made by programmer.
OR
Anything that stops the execution of application.

FAULT: An incorrect step, process, or data definition in a
computer program which prevents the program to perform an
intended or anticipated manner.

FAILURE: A failure occurs when a fault is executed.The
inability of a system or component to perform its required
functions within specified performance requirements.

DEFECT : If a problem occurs once the application is hanged
to the end user or client.

we Can Say:
Error >> Fault >> Failure >> Defect

Is This Answer Correct ?    80 Yes 21 No



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