Validation and verification are two important concepts in software testing that are often used interchangeably, but they have slightly different meanings.
Validation is the process of ensuring that a software product, system, or component meets the needs of the customer and other stakeholders. It is the process of evaluating a system or its component(s) during or at the end of the development process to determine whether it satisfies the specified requirements. It is a way to ensure that the software product is fit for its intended purpose.
Verification, on the other hand, is the process of ensuring that a software product, system, or component has been built according to the specified design and requirements. It is the process of evaluating a system or its component(s) during the development process to determine whether it satisfies the specified design and requirements. It is a way to ensure that the software product is built correctly.
In summary, validation is done to check if the software is meeting the customer's needs and requirements, while verification is done to check if the software is built according to the design and requirements. Both are important in software testing to ensure that the software is of high quality and meets the needs of the customers.
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