What is the difference between quality assurance and
quality control?

Answer Posted / phani

Quality Control: A set of activities designed to evaluate a
developed working product.
We can say it is a "validation" process, we will test the
system/application using the test cases what we have
designed based on the requirements.Simply we can say we
will test the functionalities of the system/application and
check whetehr this func working upto client req or not.

Quality Assurance: A set of activities designed to ensure
that the development and/or maintenance process is adequate
to ensure a system will meet its objectives.

It is like a "Verification" process, here QA will verify
the system/application is it meet the requiremnets
specifications or not.For ex: if the Req doc have 10
features, QA will verify all ten features are developed or
not.If any thing missed QA will identify those and let them
know. If the client need any enhancement the QA will add
the new Req to Req doc.

Please correct me if i am wrong..thanks in advance.

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