The program determines which processor is installed on the computer CPU-Z

A small program that determines which processor is installed on the computer on which frequency it operates, the type of cache, and the like characteristics of the system. But most importantly - This small utility will help determine "overclocked" processor or not. CPU-Z works without installation, and that if we take into account the small size of the software package, makes it virtually indispensable when buying a computer with it. Suddenly, the seller decides to inflate the price, giving "overclocked" processor for processing a class above?