Timeline
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Blaise Pascal | Pascaline | 1642
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| Gottfried Wilhelm von Leibniz | Stepped Reckoner | 1670
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| Charles Babbage | Analytical Engine | 1842
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| Herman Hollerith | Tabulating Machine | 1890
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| John Atanasoff & Clifford Berry | Atanasoff-Berry Computer | 1939
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| Howard Aiken | Mark 1 | 1944
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| John Mauchly & J. Presper Eckert | ENIAC | 1946
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| Alan Turing | Turing Machine (The Enigma) | 1930's -1940's
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| Jon von Neumann | EDVAC | 1947
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| William Shockley, John Bardeen & Walter Brittain | Transistor | 1947
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| Grace Murray Hopper | COBOL | 1959 - 1961
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| Jack Kilby | 1st integrated Circuit/1st Hand Held Calculator | 1958 / 1967
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| William Gates III | Microsoft Corporation | 1975
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| Paul Allen | Co-founder (Microsoft)/Owner of Portland Trail Blazers & Seattle Seahawks | 1975 / 1970 & 1974
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| Thomas Knoll & John Knoll | Adobe Photoshop | 1988
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| Alan Shugart | Floppy Disk | 1967
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| Steve Russell | First computer game, Space Wars | 1962
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| Peter Arvai, Peter Halacsy & Adam Fischer | Prezi | 2009
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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:
Afroman670
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