Intel 4004 is announced, November 15, 1971

by Suzanne Deffree @ edn.com: Intel announced its 4004 processor and its chipset through an ad in Electronic News on November 15, 1971, making them the first complete CPU on one chip and the first commercially available microprocessor. The building-block 4004 CPU held 2300 transistors. The microprocessor, the size of a...