What do you mean by Unit Testing, Integration Testing, System
Testing, and User Acceptance Testing and when do you do them?

Answer Posted / prasanna

Unit Testing: It is the process of testing the application
software at unit control structure.

Intergration Testing: Combining all the modules and tested
as a group.

System Testing: Testing the application fuctionality for
the first time once all the modules are interegrated .

User Acceptance Testing: It is a process of testing the
system by the end user or clients based on business
specifications

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