History of Computer System By Astar142 Sep 19, 1668 Leibniz machine (Gottfried Wilhelm von Leibniz) Leibniz machine (Gottfried Wilhelm von Leibniz) Jan 20, 1830 Charles Babbage Analytical Engine Charles Babbage Analytical Engin Sep 19, 1847 George Boole (BOOLEAN Algebra) George Boole Oct 19, 1851 Charles Xavier Mechanical Calculator Charles Xavier Mechanical Calculator Sep 13, 1853 Augusta Ada King (Countess of Lovelace) Augusta Ada King (Countess of Lovelace) Sep 13, 1938 Chester Carlson's Xerox machine Chester Carlson's Xerox machine Sep 12, 1950 Integrated Circuit (chip) Integrated Circuit (chip) Mar 24, 1959 Integrated Circuit Intergrated Circuits Jack Kilby Sep 1, 1964 Douglas Engelbart Douglas Engelbart Aug 1, 1981 MS-DOS Computer OperatingSystem MS-DOS Computer OperatingSystem Jan 19, 1983 Apple Lisa Computer Apple Lisa Computer(Arpit) Jan 1, 1990 Tim Berners-Lee Tim Berners-Lee Feb 28, 1991 Charles Babbage Difference Engine Charles Babbage Difference Engine
