V & V. Process that guarantees the achievement of the functional and safety objectives defined in the specifications of the functional and system requirements (Functional Requirement Specification FRS). Through the application of V&V methodologies it is ensured that the user requirements are satisfied by the product (Validation) and that the result of each intermediate phase of the design and construction activities satisfies the provisions of the previous phase (Verification). The final independent evaluation phase (assessment) completes the process
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