Answer1:
Verifying a product is accessible to the people having disabilities (deaf, blind, mentally disabled etc.).
Answer2:
Accessibility testing for web sites is a service that can provide much more than the standard point-by-point testing techniques of most automated services
Answer1:
Testing conducted to enable a user/customer to determine whether to accept a software product. Normally performed to validate the software meets a set of agreed acceptance criteria
Answer2:
In software development, user acceptance testing (UAT) - also called beta testing, application testing, and end user testing - is a phase of software development in which the software is tested in the "real world" by the intended audience. UAT can be done by in-house testing in which volunteers or paid test subjects use the software or, more typically for widely-distributed software, by making the test version available for downloading and free trial over the Web. The experiences of the early users are forwarded back to the developers who make final changes before releasing the software commercial
