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 Plascal, 1623-1662 | Mechanical calculating device, Pascaline- 1462
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| Gottfried Wihelm von Leibniz, 1646-1716 | Stepped Reckoner -1670
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| Charles Babbage 1792-1871 | Analytical engine-calculating machine -1842
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| Herman Hollerith, 1860-1929 | Tabulating machine 1890
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| John Atanasoff 1903-1959 Clifford Berry 1918-1953 | Atanasoff-Berry computer 1939
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| Howard H. Aiken | Mark 1 1944
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| John Mauchly 1907-1980 J. Presper Eckert 1919-1959 | Electronic Numerical Integration and Calculator -1946
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| Alan Turing 1912- 1954 | Turing machine, The Enigma - late 1930s n 1940s
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| Jon von Neumann 1903-1957 | 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 1906-1992 | Common Business Oriented Language- 1960
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| Jack Kilby 1923-2005 | 1st Integrated Circuit- 1958
1st hand held calculator
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| William Gates III 1951 | Microsoft- 1958
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| Paul Allen 1953 | Microsoft- 1958
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| Thomas Knoll John Knoll | Adobe Photoshop 1988
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| Adam Fischer Peter Halacsy 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:
JeraldCabrera
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