verification_validation_SE_MCA4
Good Evening students !! Today we will discuss:
Verification & Validation
These two terms are very confusing for most people, who use them interchangeably. The following table highlights the differences between verification and validation.
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Sr.No.
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Verification
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Validation
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1
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Verification addresses the concern: "Are you building it right?"
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Validation addresses the concern: "Are you building the right thing?"
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2
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Ensures that the software system meets all the functionality.
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Ensures that the functionalities meet the intended behavior.
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3
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Verification takes place first and includes the checking for documentation, code, etc.
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Validation occurs after verification and mainly involves the checking of the overall product.
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4
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Done by developers.
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Done by testers.
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5
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It has static activities, as it includes collecting reviews, walkthroughs, and inspections to verify a software.
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It has dynamic activities, as it includes executing the software against the requirements.
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6
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It is an objective process and no subjective decision should be needed to verify a software.
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It is a subjective process and involves subjective decisions on how well a software works.
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