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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| John Atanasoff Clifford Berry | Atanasoff-Berry Computer (ABC) (1939)
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| John Mauchly J. Presper Eckert | ENIAC ( Electrical Numerical Integration and Calculator) 1946
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| Alan Turing | The 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 and Walter Brittain. | Transistor 1947
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| Grace Murray Hopper | Designed COBOL ( Common Business Oriented Language)
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| Jack Kilby | Developed the 1st integrated Circuit in 1958.
Invented the 1st hand held calculator.
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| William Gates III | Founder of Microsoft Corporation
Started Microsoft company in 1975 with Paul Allen
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| Paul Allen | Co-founder of Microsoft Corporation
Owner of Portland Trail Blazers
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| Thomas Knoll John Knoll | Adobe Photoshop 1988
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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:
JustinPalabay
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