Question : Is there such thing as a CPU Tester??????

yes there is a CPU Tester. CPU Tester is a burn-in diagnostic tool which tests the CPU, as well as virtually all parts of the motherboard for errors, bugs and defective parts. It is a burn-in test program designed with the state–of- the- art DefectTrack engine. DefectTrack is a technology developed by 7Byte Computers to ess a system’s stability and general health. Hot CPU Tester is currently being used in a variety of labs and governmental organizations around the world, as a reliable diagnostic and trouble shooting program.