How is software testing done in the real world?

I am taking the verification and the validation class. It teaches me many concepts and guidelines. I am wondering if these are used at all in the real world. If you work in the industry, please tell me how your company goes about planning,testing and validation and other software engineering steps.

How is software testing done in the real world?
At the company I work for (a Regional Insurance Company), we have on going tasks which are planned out (they figure out what has to be done first to get to the second thing). We try to test every step of the way with smaller portions of data, to catch any error that may pop up.





As far as validation, it depends upon the program. If we are trying to get a specific result, such as a rate, we go through the program on paper with the data we entered. We check pretty much every switch to make sure that doesn't throw us off.


If we are trying to get a report, we can use older reports to balance to the new program. Using the same data you'll get the same result on both.

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