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Guest Faculty

Blog image POOJA KUMARI JHA Shared publicly - Apr 28 2020 10:44PM

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.

Sr.No.

Verification

Validation

1

Verification addresses the concern: "Are you building it right?"

Validation addresses the concern: "Are you building the right thing?"

2

Ensures that the software system meets all the functionality.

Ensures that the functionalities meet the intended behavior.

3

Verification takes place first and includes the checking for documentation, code, etc.

Validation occurs after verification and mainly involves the checking of the overall product.

4

Done by developers.

Done by testers.

5

It has static activities, as it includes collecting reviews, walkthroughs, and inspections to verify a software.

It has dynamic activities, as it includes executing the software against the requirements.

6

It is an objective process and no subjective decision should be needed to verify a software.

It is a subjective process and involves subjective decisions on how well a software works.



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