Digital Systems: From Logic Gates to Processors

Digital Systems: From Logic Gates to Processors
Computers are made of tiny parts called logic gates. Logic gates are like tiny switches that can be on or off. They use electricity to make decisions. They can be put together to make more complex parts, like a computer's memory or a processor. A processor is the brain of a computer. It does all the calculations and makes decisions.

Logic gates were invented a long time ago. Charles Babbage made a computer with gears that worked like logic gates in 1837. Later, people used vacuum tubes and transistors to make logic gates. Today, most logic gates are made from MOSFETs. MOSFETs are tiny switches that use electricity to turn on and off.
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