Today in Tech – 1971

On this day in 1971 the first advertisement for the Intel 4004 appears on the journal Electronic News. The 4004 was Intel’s first commercially available microprocessor, designed by Federico Faggin, Ted Hoff, Stan Mazor, and Masatoshi Shima. It was originally designed and built as a custom chip for Japanese calculator makers Busicom Corp. The 4004 was introduced to the public as “a new era in integrated electronics,” since it was a monolithic CPU fully integrated into a single, small chip. This was made possible through the use of then new silicon gate technology for integrated circuits, which was first developed by Faggin along with Tom Klein in 1968.

The Intel 4004 microprocessor - Image taken from ExtremeTech.

The Intel 4004 microprocessor – Image taken from ExtremeTech.

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