The CPU, or processor, is the hear of the computer system. In essence, a CPU is a flat square sliver of silicon with circuits etched on its surface called a chip. This chip is  encased in either ceramic or plastic with pins running along the flat underside of the package.


The CPU package is connected to a motherboard via some form of CPU interface, either a slot or a socket. For many years the socket style of CPU was dominant. Then both major PC chip manufacturers switched to a slot style of interface. After a relatively short period of time they both changed their minds and the socket was back in favour!


Read Page 60 of the textbook “Exploring Computer Hardware”.

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Lesson Content
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