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 - 1842
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| Herman Hollerith | Tabulating machine - 1890
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| John Atanasoff/Clifford Berry | Atanasoff-Berry Computer (ABC) - 1939
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| Howard H. Aiken | Mark 1/ASCC (Automatic SequenceControlled Calculator) - 1944
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| John Mauchly/J. Presper Eckert | ENIAC (Electronic Numerical Integrator and Calculator) - 1946
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| Alan Turning | Turning Machine/The Enigma - late 1930's and 1940's
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| John von Neumann | EDVAC (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 | COBOL (Common Business Oriented Language) - 1959-1961
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| Jack Kilby | 1st Integrated Circuit - 1958
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| Steve Russel | First Computer Game (Space War) - 1962
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| Alan F. Shugart | Floppy Disk Drive (FDD) - 1967
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| William Gates III/Paul Allen | Microsoft Corporation - 1975
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| Thomas Knoll/John Knoll | Adobe Photoshop - 1988
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| Peter Arvai/ Peter Hallascy/ Adam Somlai 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:
joannamarie
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