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) | Pascaline - 1642
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Gottfried Wilhlm von Leibniz (1646-1716) | Stepped Reckoner - 1670
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Charles Babbage (1792-1871) | Analytical Engine-calculating machin - 1842
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Herman Hollerith (1860-1929) | Tabulating machine - 1890
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John Attanasoff (1903-1995) Clifford Berry (1918-1963) | Atanasoff-Berry Computer (ABC) - 1939
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Howard M. Aiken | Mark 1 - 1944
Automatic Sequence Controlled Calculator
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John Mauchly (1907-1980) J. Presper Eckert (1919-1995) | Electronic Numerical Integration and Calculator (ENIAC) - 1946
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Alan Turing (1912-1954) | Turing Machine (The Enigma) - 1937
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Jon von Neumann (1903-1957) | EDVAC (Electronic Discrete Variable Automatic Computer) - 1947
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William Shockley | Transistor - 1947
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Grace Murray Hopper (1906-1992) | COBOL (Common Business Orientated Language)- 1960
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Jack Kilby (1923-2005) | Microchip - 1958
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William Gates III (1951- ) | Microsoft Corporation/Company - 1975
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Paul Allen (1953-) | Co-founder of Microsoft Company
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Thomas Knoll (1960-) John Knoll (1962-) | Adobe Photoshop (1988-)
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Adam Somlai-Fischer Peter Halacsy Peter Arvai | Prezi - 2009
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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:
margaret.celis
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