4004.com

To celebrate the 52nd Anniversary of Intel’s November 15, 1971 product launch of the now-historic 4004 microprocessor, Swiss physicist, Klaus Scheffler, in a world’s first, built a complete 4-bit com...

The Intel 4004 after 44 years! 2015 Progress Report A new foundation for the future: making the inner workings of the microprocessor accessible to students young and old Team leader Tim McNerney's or...

parallel adder, sixteen 4-bit registers, an accumulator and a push-down stack on one chip. It's one of a family of four new ICs which comprise the MCS-4 micro computer syste...

Lajos Kintli writes about how and why he re-created the 4001 masks and the missing 4001, 4002, and 4003 schematics During my university years, I learned the basics of microelectronics, but it was taug...