Beta-testing is a process of testing software or hardware before its release to the public. It involves a group of testers who use the product and provide feedback to the developers. The term 'BETA-test' comes from the Greek letter 'BETA, ' which is used in software development to indicate that a product is in its testing phase. The term 'TRYOUT' is often used interchangeably with BETA-testing, as it implies that the testers are trying out the product to see how it works.