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"Verification: "Are we building the product right
"Validation: "Are we building the right product
Verification: Its a method to identity errors in a process
Validation: Its a testing to ensure that our design meets specific needs.
Validation is the process of checking whether the specification captures the customer's needs.
Verification is the process of checking that the software meets the specification.
Verification and validation are independent procedures that are used together for checking that a product, service, or system meets requirements and specifications and that it fulfills its intended purpose.
Verification is done at the developing side and validation is done by the testing side
Validation is the process of evaluating software at the end of the development process to determine whether software meets the customer expectations and requirements.
The objective o fVerification is to make sure that the product being developed is as per the requirements and design specifications.
Verification is a static method techniques and it is the process of evaluating software at the start of development phase and check whether the software as per the specifications in the SRS document.
Validation is a dynamic method techniques and it is the process of evaluating software at the end of development phase and check whether the software meets the customer expectation and requirements.
Verification is the formal testing and Validation is detailed testing.
Verification is the process of evaluating products of a development phase to find out whether they meet the specified requirements.
Methods of Verification: Static Testing
Walkthrough
Inspection
Review
Validation is the process of evaluating software at the end of the development process to determine whether software meets the customer expectations and requirements.
Methods of Validation: Dynamic Testing
Testing
End Users
Verification and Validation both terms meas the checking the product is working as expected or not. The Differance between this two is with respect to the Product life cycle.
When this check is done before or during the product making process ( basically fesibelity check, product will match the specidfic standards or technical specifications etc ) its known as "Verification".
But when its done after manufacturing/post silicon ( basically just to check what has customer asks us , are we statsfying their need? , whatever we wanted to make did we make the same ?) is known as "Validation".
The distinction between the two terms is largely to do with the role of specifications. Validation is the process of checking whether the specification captures the customer's needs, while verification is the process of checking that the software meets the specification.
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