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How Computers Work: The Evolution of Technology, Tenth Edition by Timothy Edward Downs, Ron White

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Chapter 4. How Motherboards Conduct a Symphony of Data

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Under the big top of your computer—or the little top of your smartphone or tablet—the microprocessor (the central processing unit or CPU) is always the headliner. You don’t see ads or reviews raving that a new PC has “revolutionary 100-ohm resistors!” Flash drives and incredibly realistic displays have the top supporting roles, but when it comes to the components on the motherboard—the mother of all boards—the CPU steals the spotlight.

There are many good reasons for the CPU’s fame, but like all stars, it owes a lot to the little components—the circuit board supporting parts without which ...

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