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Computer aided software testing (CAST) refers to the computing-based processes, techniques and tools for testing software applications or programs. CAST is the computing-enabled process of software testing performed using a combination of software- and hardware-based tools and techniques.
CAST is primarily designed to automate the process of software testing and provide services that can't be accomplished by human or manual testing or consume too much time and resources when done this way. CAST is generally performed through purpose-built software testing solutions that are designed to provide one or more software testing processes/techniques.
For example, CAST-based load testing tools evaluate the performance of software by applying or consuming resources equivalent to thousands of simultaneously connected users. The evaluation is delivered as statistical facts and figures to the human tester.