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-calculating machine that used punched cards to store information in 1842.
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| Herman Hollerith | Tabulating machine. 1839
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| John Atanasoff Clifford Berry | Atanasoff-berry computer. 1939
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| Howard H. Aiken | Automatic Sequence Controlled Calculator. 1944
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| John Mauchly J. Presper Eckert | electronic numeric intergration and calculator. 1946
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| Alan Turning | Enigma. 1912
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| Jon Von Neumann | Electronic Discrete Variable Automatic Computer. 1947
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| William Shockley | Transistor. 1947
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| Grace Murray Hopper | Common business Oriented language. 1906
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| Jack Kilby | hand held calculator. 1958
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| William Gates III | Founder of microsoft. 1975
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| Paul Allen | Co finder of microsoft.
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| thomas knoll JOhn knoll | created adobe. 1988
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| Peter Arvai Adam Solai-fisher Peter Halacsy | created Prezi. 2008
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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:
localminiz
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