computer history By ndurso17 Apr 11, 1939 Hewlett-Packard is Founded Apr 11, 1940 The Complex Number Calculator (CNC) Apr 11, 1941 The Zuse Z3 Computer Apr 11, 1942 The Atanasoff-Berry Computer Apr 11, 1943 Whirlwind installation at MIT Apr 11, 1944 Harvard Mark-I in use, 1944 Apr 11, 1946 ENIAC Apr 11, 1948 IBM´s SSEC Apr 11, 1949 the EDSAC Apr 11, 1950 ERA 1101 drum memory Apr 11, 1951 MIT Whirlwind Apr 11, 1952 Los Alamos MANIAC Apr 11, 1953 IBM 701 Apr 11, 1954 IBM 650 Apr 11, 1956 MIT TX0 Apr 11, 1958 SAGE operator station