September 7, 2012

Error and Defects are not same

There is a common question in interviews " What is the difference b/w error and defects?"

Most of the times and most of the testers call them same. But there is really a difference. Error occurs when we use the software in wrong way. Defects are when software behave wrong when we use it in right way. Let me explain it with an example:

We all do online shopping. During our purchase if we provide wrong card information then payment will not be successfull because of error in card details. But if we provide correct card details and still payment fails then it is a defect in web application.

Please comment if agree/disagree.

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