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How Computers Work, Ninth Edition by Timothy Edward Downs, Ron White

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Part 2. How Microchips are the PC’s Brain

How Microchips are the PC’s Brain
How Microchips are the PC’s Brain
How Microchips are the PC’s Brain
 

“But what ... is it good for?”

 
 --Engineer at the Advanced Computing Systems Division of IBM, 1968, commenting on the microchip

THOMAS Edison in 1883 noticed that electrical current flowing through a light bulb’s filament could make the wire so hot that electrons boiled off, sailing through the vacuum inside the bulb to a metal plate that had a positive charge. Because Edison didn’t see any way the phenomenon ...

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