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 called Pascaline in 1942.
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| Gottfried Wilhelm von Leibniz | Stepped Reckoner
1970
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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 and Clifford Berrry | Atanasoff-Berry Computer
1939
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| Mark 1 | ASCC(Automatic Sequence Controlled Calculator)
1946
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| John Mauchly and J.Presper Eckert | ENIAC
1946
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| Alan Turning | The turning Machine(Enigma)
late 30's and 40'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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| Grace Murray Hopper | COBOL(Common Business Oriented Language)
1960
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| Jacky Kilby | 1st integrated circuit
1958
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| William Gates III | Microsoft Corporation
1958
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| Paul Allen | Microsoft Corporation
1958
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| Thomas Knoll and John Knoll | Adobe Photoshop
1988
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| Peter Halacy, Adam Fisher,and Peter Arvai | 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:
jackycastro1
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