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The Surprising Story of the First Microprocessors

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Intel 4-bit 4004 chip

The Die is Cast: Intels 4-bit 4004 chip is widely regarded as the worlds first microprocessor. But it was not without rivals for that title.

Credit: Intel

Transistors, the electronic amplifiers and switches found at the heart of everything from pocket radios to warehouse-size supercomputers, were invented in 1947.

From IEEE Spectrum
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