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Distinguish between verification and validation.
Verification is the set of activities that ensure that software properly implements a specific function. Validation is a different set of actions 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?"
What are task regions in the Spiral model. Customer communication - In this region it is recommended to establish customer communication. Planning - All planning doings are
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A discrepancy among a computed, observed, or calculated value or condition and the true, specified, or theoretically correct value or condition; and
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Describe Data dictionary ?
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