A+ Hardware Service Technician: System Architecture

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CPU

The CPU is the central processing chip of the computer and processes instructions from the operating system and the software running on the computer. As the heart of the computer, most of the instructions and data flows through it.

There are many different manufacturers of CPUs including Intel, AMD, IBM (PowerPC), Sun, HP, and more. Within those manufacturers, you have several different models of CPUs such as the Intel Pentium or the AMD Athlon. As 95% of the computer world relies on Intel compatible processors, most of the A+ Hardware Service technician exam covers those chips, so we will focus on those.

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