History Timeline
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| Blaise Pascal | invented a mechanical calculating device called Pascaline
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| Gottfried Wilhelm von Leibniz | Invented the Stepped Reckoner
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| Charles Babbage | Created the Analytical Engine-calculating machine that used punched cards to store information.
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| Herman Hollerith | invented the tabulating machine
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| John Atanasoff & Clifford Barry | Atanasoff-Berry computer (ABC)used binary number system used in computers today
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| Mark 1 | invented the Automatic Sequence Controlled Calculator (ASCC)
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| John Mauchly & J. Presper Eckert | worked on ENIAC (Electronic Numerical Integration & Calculator)
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| Alan Turning | Invented the turning machine "the enigma"
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| John Von Neumann | Built the EDVAC (Electronic discrete variable automatic computer) with Maulchy & Eckert.
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| William Shockley, John Bardeen, & Walter Brittain | Invented the Transistor
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| Grace Murray Hopper | Designed COBOL (Common Business Oriented Language)
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| Jack Kilby | Developed the 1st integreted circuit; invented the 1st hand held calculator
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| William Gates | Founder of Microsoft Corporation
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| Paul Allen | Co-founder of Microsoft Corporation
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| Thomas & John Knoll | Creators of Adobe Photoshop.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Aiyisha
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