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Computer History


Blaise Pascal 1623 - 1692 Invented a Mechanica device called pascaline. 1642
Gottfriead Wilhelm von leibniz 1646 - 1716 invented the stepped reckoner in 1670.
Charles Babbage 1792 - 1871 Analytical Engine-calculating machine that used punched cards to store information in 1842.
Herman Holloerith 1860 - 1920 Invented the tabulating machine in 1890.
John Atansoff 1903 - 1995 Clifford Berry 1918 - 1963 Atansoff-berry computer (ABC) (1939) used bunary number system used in computers today.
Howard H. Aiken Mark 1 - 1944 Over 51 feet long and weighed over 5 tons ASCC (Automatic Sequence Controlled Calculator) First large scale automatic digital computer
John Mauchly 1907 - 1995 J. presper Eckert 1919 - 1995 Worked on ENIAC (elctronic Numerical Intregration and calculator in 1946
Alan Turing 1912 - 1954 Developed idea of a universal machine in the late 30's and 40's the device called "Enigma"
Jon von Neumann 1903 - 1957 built the EDVAC (Electronical Discrete Automatic Computer) with Mauchly and Eckert in 1947
William Shockley John Bardeen and walter Brittain Transistor 1947
Grace Murray Hopper 1906 - 1992 Designed COBOL (Common Business Oriented Language)
Jack Kilby 1923 - 2005 invented the 1st intregated circuit in 1958
Created by: Jabelinde