Computer History By adrew312 Period: Aug 13, 1837 to Apr 23, 2015 Computer History Sep 17, 1837 Babbage's Analytical Engine is created Jan 1, 1890 Hollerith punch cards first used in Census Apr 23, 1939 Hewlett-Packard is founded Oct 18, 1946 ENIAC first used with ~20,000 vacuum tubes Was meant to solve large numerical problems, known as the "Giant Brain". Jul 5, 1958 Kilby & Noyce invent the Integrated Circuit (aka the chip) May 9, 1962 The microchip market hits $4 million Jul 18, 1968 Intel is founded Oct 26, 1971 IBM releases the floppy disk Feb 2, 1972 Xerox creates the mouse Jan 10, 1974 Altair 8800 is released Considered the first computer with a mircoprocessor Jul 27, 1976 Apple is formed Apr 23, 1981 IBM is founded and releases their first home (personal) computer Aug 15, 1981 IBM put DOS on all of its PC's Jan 19, 1983 Apple creates Lisa, the first PC with a GUI Nov 20, 1985 Windows is launched