COMPUTER HISTORY By HussainAm965 1911 1911 Tabulating Machines by Herman Hollerith, (designed to to help in summarizing information) Period: 1911 to 1920 computer history 1912 1912 The Differential Analyzer ( to solve differential equations) 1914 1914 IBM' s Formation ( to be used for development) 1915 1915 The ENIAC Proposal by John Mauchly ( first general purpose electronic digital computer 1919 1919 Flip-flop circuit by Williams Eccles and Jordan (capable for storing binary information)