VERIFICATION and VALIDATION
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S no.
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Verification
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Validation
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1.
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Verification is a static testing procedure. | Validation is dynamic testing procedure. |
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2.
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Verification is the assurance that the product of a particular phase in the development process are consistent with the requirement of that phase and preceding phase | Validation is the assurance that the final product satisfies the system requirement .the purpose of the validation is to ensure that the system has implemented all the requirements. |
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3.
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It involves verifying the requirements, detailed design documents, test
plans, walkthroughs and inspections of various documents produced during the development and testing process. |
Validation involves actual testing of the product as per the test plan (unit test, integration test, system test and acceptance test etc). |
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4.
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It is a preventive procedure. | It is a corrective procedure. |
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5.
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Are we building the product RIGHT? | Are we building the RIGHT product? |
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6.
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It is also called Human testing, since it involves finding the errors by persons participating in a review or walk through. | It is also called Computer testing, since errors are found out by testing the software on a computer. |
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7.
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Verification occurs on Requirements, Design and Code. | Validation occurs only on code and the executable application. |
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8.
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Verification finds errors early in the requirement & design phase and hence reduces the cost of errors. | Validation finds errors only during the testing stage and hence cost of errors reduced is less than Verification. |
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9.
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Verification tasks include: 1) Planning 2) Execution |
Validation tasks include: 1) Planning 2) Test ware Development 3) Test Execution 4) Test ware Maintenance |
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10.
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Verification activities include: 1) Requirements Verification 2) Functional design verification 3) Internal Design Verification 4) Code Verification |
Validation activities include: 1) Unit testing 2) Usability testing 3) Function testing 4) System testing 5) Acceptance testing |
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11.
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Verification deliverables (work products) are: 1) Verification test plan 2) Inspection report 3) Verification test report |
Validation deliverables are: 1) Test plan 2) Test Design Specification 3) Test Case Specification 4) Test Procedure Specification 5) Test log 6) Test incident report |
I also tell my team members to spend qaulity time doing analysis of the work they do. Do not spend the entire day in just doing testing.
ReplyDeleteSpending everyday sometime on Analysis will help them
to move in the right direction in the work and also helps them to see in a bigger and broader perspective of the work.
Finally, just spend good amount of time in planning, reviews and analysis, the execution will be done like in no time.
software validation
DeleteThis applies not only during the IQ, OQ and PQ validation phases, but far earlier,
beginning with the first meeting, and continuing through analysis of your process.
Software validation is a part of the design validation for a finished device,
but is not separately defined in the Quality System regulation.
software validation
In software project management, software testing, and software engineering,
ReplyDeleteverification and validation (V&V) is the process of checking that a software system meets specifications and that it fulfills its intended purpose.
It may also be referred to as software quality control.
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I really like examining and also following ones write-up when i locate them incredibly beneficial and also fascinating.
ReplyDeleteThat write-up is usually just as beneficial along with fascinating.Verification and Validation both are independent type of testing. Obviously,
If we look both of these activities as a whole, we can also call it testing.
software validation
ReplyDeleteVerification and Validation are the activities performed to improve the quality and reliability of the system and assure the product satisfies the customer needs.
Verification assures the product of each development phase meets their respective requirements.
Validation assures the final product meets the client requirements.
software validation
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ReplyDelete