CPU

=CPU= The CPU is the central processing unit. It is the part of the computer that runs the programs loaded into the computer's memory. It is the computer's processor. In PCs, it is an Intel or AMD chip. In the Macintosh, it is also an Intel chip, but it used to be the Motorola Power PC and G3-G5 chips.

Another use of the word is the main body of the computer that holds the processor, apart from the monitor and keyboard.