What is the difference between bug and defect???

Answer Posted / ananth

Defect is non conformance to the requirements and the test case.
Bug is a undesired functionality crept in. This could be
because of a scenario not thought of during requirements
gathering.
The best example of a bug is the Y2K. most of the systems
worked up to 1999 and couldn't round of to year 2000.
The floor and ceil is another example - 14.3 when rounded
off should round off to 14 and not 15 as per majority of the
requirement.

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