Hardware History By valeriavee Sep 29, 1940 The Complex Number Calculator Sep 29, 1941 The Z3 is complete by Conrad Zuse Sep 29, 1941 The Bombe is built Sep 29, 1942 The Atansoff-Berry Computer is built Sep 29, 1944 Harvard Mark-1 is complete Sep 29, 1946 ENIAC is revealed Sep 29, 1948 IBM's Selective Sequence Electronic Calculator Sep 29, 1949 Maurice Wilkes assembled the EDSAC Sep 29, 1950 ERA 1101 is complete Sep 29, 1950 Standards Eastern Automatic Computer is constructed Sep 29, 1950 Standards Western Automatic Computer is built Sep 29, 1963 Researchers designed the Rancho Arm Sep 29, 1971 The Kenbak-1, the first personal computer is advertised Sep 29, 1973 The Micral was the earliest commercial, non-kit personal computer based on a micro-processor Sep 29, 1976 Steve Wozniak designed the Apple I Sep 29, 1982 Commodore introduces the Commodore 64