What is Fault and Failure

The Fault is a state that causes the software to fail to accomplish its essential function. If the software has lots of defects, it leads to failure or causes failure. Raised by. The Test Engineers submit the bug.


Software fault is a static defect in the software. The fault is always a developer (human) software design mistake.

Software failure is product external unexpected behavior concerning expected behavior (listed in requirements or common sense behavior). ...

During development Failures are usually observed by testers. FAULT: An incorrect step, process or data definition in a computer program which causes the program to perform in an unintended or unanticipated manner. A fault is introduced into the software as the result of an error. ... It is the result of the error.

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