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Software verification and validation. In software project management, software testing, and software engineering, verification and validation is the process of checking that a software engineer system meets specifications and requirements so that it fulfills its intended purpose. It may also be referred to as software quality control.
Functional testing verifies a program by checking it against design document (s) or specification (s), while acceptance testing validates a program by checking it against the published user or system requirements.
Software quality control is a function that checks whether a software component, or supporting artifact meets requirements, or is "fit for use". Software Quality Control is commonly referred to as Testing.
Requirements analysis is critical to the success or failure of a systems or software project. [3] The requirements should be documented, actionable, measurable, testable, [4] traceable, [4] related to identified business needs or opportunities, and defined to a level of detail sufficient for system design .
Software testing can provide objective, independent information about the quality of software and the risk of its failure to a user or sponsor. [1] Software testing can determine the correctness of software for specific scenarios, but cannot determine correctness for all scenarios. [2] [3] It cannot find all bugs .
Software requirements [1] for a system are the description of what the system should do, the service or services that it provides and the constraints on its operation.
Application lifecycle management ( ALM) is the product lifecycle management ( governance, development, and maintenance) of computer programs. It encompasses requirements management, software architecture, computer programming, software testing, software maintenance, change management, continuous integration, project management, and release ...
Software verification is a discipline of software engineering, programming languages, and theory of computation whose goal is to assure that software satisfies the expected requirements.