MODULE 6 : What is verification & validation?

Answer 1

Verification:
Beofore validation we have to do verification.
comparing the customer document and our document to check wheather its correct or not.
It won't talk about the functionality of the screen.
wheather the screen is designed to the customer requirement or not.
Validation:
Running the application and test the application
Testing the s/w functionality wheather it is working or not.
wheather the s/w is supporting the customer requirement or not.

Answer 2

Verification:  It is a process confirming that software 
meets its specification document. It basically involves 
walkthroughs, review and inspection. QA team members define 
the process as per the specification.

Validation:   It is a process confirming that software 
meets its user requirements. It basically involves testing. 
Validation technique done after verification process. QC 
team like testers they r going to implementing the process 
defined by QA team.

Verification is QA activity which ensures that the software 
product is designed to deliver all the functionality 
whatever mentioned in the requirement specification 
document. Reviews, walkthroughs and inspections are its 
techniques. It is a preventive phase.

Validation ensures that whatever mentioned in the 
requirement specification document should be the intended 
behavior of the software. Validation is actual testing. It 
is a corrective phase and is QC activity. 

Posted by : Nur Liyana