Acceptance testing last stage of the testing process before the system is accepted by client. The software is tested with data supplied by the client rather then data made by our own testing.
Acceptance testing may disclose errors in the system requirements definitions, as live data exercises the software in a different way from the test data.
Acceptance testing may be perform at our end in which the software developer and the client agrees that the delivered system is an acceptable implementation of the system requirements. This is also known as Alpha testing.
Beta testing involves delivering a system to end users to use/test the system on their on real data. The users test the system and give their feedback. Acceptance is depending on their feedbacks.
