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The processor (really a short form for microprocessor and also often called the CPU or central processing unit) is the central component of the PC. It is the brain that runs the show inside the PC. All work that you do on your computer is performed directly or indirectly by the processor. Obviously, it is one of the most important components of the PC, if not the most important. It is also, scientifically, not only one of the most amazing parts of the PC, but one of the most amazing devices in the world of technology.
The processor plays a significant role in the following important aspects of your computer system:
This section discusses many different aspects of this important component in full detail, and concludes with a look at the major processor families used on the PC platform, from the original IBM PC processors to the latest technology. Note that the explanations of how the processor works and what its characteristics are, is kept mostly separate from the information on particular processors. This is done to keep information organized and easier to find. However, I also include summary tables in each of the description sections showing how the various processors fare in that particular area. This shows the evolution of the technology and lets you more easily compare processors in various ways.