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Computers 3

timeline notes

Mark 1 1944 -Over 51 feet long and weighed over 5 tons -ASCC (Automatic Sequence Controlled Calculator) -Devised by Howard H. Aiken at IBM -The first large-scale automatic digital computer. Considered by some to be the first universal calculator
John Atanasoff 1903-1995 Clifford Berry 1918-1963 -Atanasoff-Berry Computer (ABC)(1939) used binary number system used in computers today -Contains 100's of vacuum tubes
Adam Somlai Fischer -Prezi established in 2009 -Used by professors, students and business men/women.
William Bradford Shockleys
Bill Gates
Jack Kilby 1923-2005 -Developed the first integrated Circuit in 198 -Invented the first hand held calculator -Studied electrical engineering
Grace Hopper 1906-1992 -Received 47 honorary awards -Designed COBOL (Common Business Oriented Language) a programming Language 1st programmer for Mark 1
Blaise Pascal 1623-1662 -Invented a mechanical calculating device called Pascaline. 142 -Device performs only -Device never worked properly
Alan Mathison Turing 1912-1954 -Developed idea of a universal machine in the late 30's and 40's -Called the Turing machine. The "Enigma"
Peter Arvai -Prezi established in 2009 -Used by professors, students and business men/women.
Gottfried Leibniz 1646-1716 -Invented the stepped Reckoner in 1670 -Device was supposed to add, multiply, subtract, and divide but malfunctioned.
Charles Russel Bardeen
John Knoll/Thomas Knoll -Software engineers -Creators of Adobe Photoshop 1988
Charles Babbage 1792-1871 -Analytical Engine-calculating machine that used punched cards to store information in 1842 -Chief Collaborator was Ada Byron 1815-1852
Created by: krizzy