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Distinguish between verification and validation.
Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation refers to a dissimilar set of activities that ensure that the software that has been built is traceable to the customer requirements. According to Boehm, Verification:" Are we building the product right?" Validation:" Are we building the right product?"
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Software faults are unseen programming errors. Software faults are errors in the correctness of the semantics of computer programs.
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