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 1623-1662 | Mechanical calculating device called Pascaline. 1642
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| Gottfried Wilhelm von Leibniz 1646-1716 | Stepped Reckoner in 1670.
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| Charles Babbage 1792-1871 | Analytical Engine- Calculating machine. 1842
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| Herman Hollerith 1860-1929 | Tabulating Machine in 1890
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| John Atanasoff 1903-1995 | computer ABC
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| J. Presper Eckert 1919-1995 | military project that was top secret.
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| Alan Turing 1912-1954 | developed idea of a universal machine in the late 30's and 40's
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| Jon von Neuman 1903-1957 | built the EDVAC (Electronic Discrete Variable Automatic Computer)
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| William Shockley, John Bardeen and Walter Brittain | transistor
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| Grace Murray Hopper 1906-1992 | designed COBOL (Common Business Oriented Language)
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| Jack Kilby 1923-2005 | 1st hand-held calculator
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| William "Bill" Gates III -October 28, 1951 | Microsoft Corporation
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| Paul Allen -January 21, 1953 | owner of Portland Trail Blazers
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| Thomas & John Knoll | software engineers, creators of Adobe Photoshop
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| Mark 1- Howard H. Aiken 1944 | first large scale automatic digital computer
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| John Mauchly 1907-1980 | ENIAC (Electrical numeral integration and calculator)
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| Ethernet Computer Networking | Electrical engineer
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| Arpanet |
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| PREZI |
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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:
ydatabora
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