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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Gotfried Wilhelm von Leibniz | Stepped Reckoner - 1670
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Charles Babbage | Difference machine (similar to a calculator) - 1842
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Herman Hollerith | Tabulating machine-1890
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John Mauchly and J. Presper Eckert | Worked on ENIAC (Electronical Numerical Integreation and Calculator - 1946
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Alan Turing | The Enigma - 1930-1940's
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Jon 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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Jack Kilby | First integrated Circuit- 1958
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William Gates III | Founder of Microsoft Corporation- 1975
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Paul Allen | Co-founder of Microsoft Corporation- 1975
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Thomas and John Knoll | Creators of Adobe Photoshop- 1988
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Adam Fischer, Peter Halacsy, Peter Arvai | Prezi-
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Grace Murray Hopper | COBOL- 1960
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John Atanasof and Clifford Berry | First digital computer- 1939
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Howard Aiken | Mark 1- 1944
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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:
angelikanarvaez12
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