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History Timeline

Term
Blaise Pascal invented a mechanical calculating device called Pascaline
Gottfried Wilhelm von Leibniz Invented the Stepped Reckoner
Charles Babbage Created the Analytical Engine-calculating machine that used punched cards to store information.
Herman Hollerith invented the tabulating machine
John Atanasoff & Clifford Barry Atanasoff-Berry computer (ABC)used binary number system used in computers today
Mark 1 invented the Automatic Sequence Controlled Calculator (ASCC)
John Mauchly & J. Presper Eckert worked on ENIAC (Electronic Numerical Integration & Calculator)
Alan Turning Invented the turning machine "the enigma"
John Von Neumann Built the EDVAC (Electronic discrete variable automatic computer) with Maulchy & Eckert.
William Shockley, John Bardeen, & Walter Brittain Invented the Transistor
Grace Murray Hopper Designed COBOL (Common Business Oriented Language)
Jack Kilby Developed the 1st integreted circuit; invented the 1st hand held calculator
William Gates Founder of Microsoft Corporation
Paul Allen Co-founder of Microsoft Corporation
Thomas & John Knoll Creators of Adobe Photoshop.
Created by: Aiyisha
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