This type of testing is usually performed by in-house testers and developers who should expect and be ready to fix critical issues, make necessary design improvements for better usability before moving to beta testing. The entire process is strictly controlled and performed in the emulated environment, along with the appliance of white-box and black-box techniques.
Though the complete functionality cannot be tested, as the software is still under development, engineers get a good insight into the software reliability, can simulate the behavior of real users, detect omitted serious errors and fix them, taking into account the software design and functionality. As a result, alpha testing helps to define problems and prepare an operating software version for further testing activities.
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