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 | Mechanical calculating device ( Pascaline 1642)
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| Gottfried Wilhelm von Leibniz | Stepped Reckoner 1670
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| Charles Babbage | Analytical Engine-calculating machine 1842
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| Herman Hollerith | Tabulating machine 1890
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| Jonh Atanasoff clifford Berry | Atanasoff-Berry Computer 1939
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| Howard H. Aiken | Mark 1 1944
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| john Mauchly j. Presper Eckert | Electronic Numerial Integration and Calculator 1946
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| Alan Turing | Universal Machine 1930s-1940s
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| John von Neumann | Electronic Discrete Variable Automatic Computer 1947
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| William Shockley John Bardeen Walter Brittain | Transistor 1947
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| Grace Murray Hopper | Common Business Oriented Language 1960
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| Jack Kilby | Integrated Circuit 1958
Hand held Calculator
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| William Gates III Paul Allen | Microsoft Corporation 1975
Co-Founder
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| Thomas Knoll John Knoll | Adobe Photoshop 1988
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| Adam Somlai-Fischer Peter Halacsy Peter Arvai | 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:
jcab
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