Intel 4004 CPU Tester & MCS-4 System Tester from Denjhang's Retro Hardware on Tindie
The Intel 4004 - The First Microprocessor - 50th Anniversary | RCA | ChipScapes
First Step Technologies Limited - The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971, under the leadership of Federico Faggin an Italian Physicist, an inventor
Intel 4004/4040 - CPU MUSEUM - MUSEUM OF MICROPROCESSORS & DIE PHOTOGRAPHY