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The Microprocessor Is 50: Celebrating the Intel 4004
On November 15, 1971, Intel publicly debuted the first commercial single-chip microprocessor, the Intel 4004, with an advertisement in Electronic News. Fifty years later, here’s a look at its legacy—and how the 4004 stacks up against a modern Intel powerhouse...

The Microprocessor Is 50: Celebrating the Intel 4004 On November 15, 1971, Intel publicly debuted the first commercial single-chip microprocessor, the Intel 4004, with an advertisement in Electronic News. Fifty years later, here’s a look at its legacy—and how the 4004 stacks up against a modern Intel powerhouse.