Difference Between Bug and Defect | 11 Nov 2009

Bug:
The fault which causes a software to work in an unintended way.

Defect:
The fault or problem which is caused after the release of the software to end-users.

 

Bug: Mismatch between expected and actual requirement
Defect: Missing functionality with respect to customer requirements

 

Bug:Which comes at the time of testing(Pre-Release)
Defect:Which comes in Production or when client doing the system testing(Post-Release)

 

No difference; they are both logic errors within the software.

 

Good participation in this one ... 4 different people .. 4 different answers.
Let's see, who wins this one ..

I would go with Mridula's answer

 

Ooops ... I was late by 2 mins.
Anyway ... congrats Kshiteej :cheers:

@ shabbir :
Probably Mridula meant that,

Bug is an unintended behavior of the program (though it meets the customer's specs).
Defect is a missing functionality in the program, so it doesn't meet the customer's specs.

 

Yes. I meant the same. But Kshitiz has explained well. He deserves the $.

Congrats Kshiteej!!

 

Thanks Mridula