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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| Blaiss Pascal (1623-1662) | Calculating divice Called Pascaline (1642)
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| Goffried Wilhem von Leibniz (1646-1716) | Stepped Reckoner in (1716)
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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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| Jhon Atanasoff (1903-1995) Clifford Berry (1918-1963 | Atanasoff-Berry Computer (ABC) (1939)
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| Mark-1 (1944) |
ASCC (Automatic Sequence Controlled Calculator)
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| Jhon Mauchly (1907-1980) J.Presper Eckert (1919-1995) | Electronic Numerical Integration and Calculator ) in 1946
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| Alan Turing (1912-1954) | Turing machine
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| Jon von Neumann (1903-1957) | EDVAC (Electronic Discrete Variable Automatic Computer) in (1947)
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| William Shockley John Bardeen and Walter Brittain in (1947) | One transistor repalaced many tube making computer smaller less expensive and reliable
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| Grace Murray Hopper (1906-1992) | COBOL (Common Business Oriented Language)
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| Jack Kilby (1923-2005) | 1st hand held calculator
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| William Gates III (October 28, 1951) | Founder of Microsoft Corporation
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| Paul Allen (Jan 21, 1953) | Co-founder of Microsoft Corporation
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| Thomas Knoll John Knoll | Creator Of 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:
markangelo22
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