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computer history


inventor invention
Blaise Pascal (1623-1662) Pascaline (1642)
Gottfried Wilhelm von leibniz Stepped Reckoner (1670)
Herman Hollerith Tabulating machine (1890)
John Atanasoff (1903-1995) Clifford Berry (1918-1963) Atanasoff-Berry Computer(ABC) (1939)
Mark 1 (1944) ASCC (Automatic Sequence Controlled Calculator)
John Mauchly (1907-1980) J. Presper Eckert (1919-1995) ENIAC(Electronic Numerical Integration and Calculator)
Alan Turing (1912-1954) Turing Machine "Enigma" (1918)
Jon von Neumann (1903-1957) EDVAC (Electronic Discrete Variable Automatic Computer)
William Schockly John Bardeen and Walter Brittain Transistor (1947)
grace murray hopper (1923-1992) COBOL(common business oriented language) (1959)
Jack Kilby (1923-2005) 1st hand held calculator (1958)
William Gates III October 28, 1951 microsoft company (1975)
Paul Allen Jan. 21,1953 Microsoft Corporation
Thomas Knoll John Knoll Adobe Photoshop (1988)
Adam Somlai-Fischer Peter Halacsy and Peter Aravi prezi (2009)
Created by: lyances aldan