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 | Pascaline. 1642
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| Gottfried Wilhelm Von Leibniz | Stepped Reckoner in 1670.
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| Charles Babbage | Analytical Engine-calculating machine in 1842.
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| Herman Hollerith | tabulating machine in 1890.
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| John Atanasoff, Clifford Berry | Atanasoff Berry computer in 1939.
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| Howard H. Aiken | Mark 1 in 1944.
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| John Mauchly, J. Presper Eckert | ENIAC in 1946.
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| Alan Turing | Developed the idea of a turing machine in 30's and 40's and called it the enigma.
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| Jon Von Neuman | He built EDVAC w/ Mauchly in 1947.
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| William Shockley, John Bardeen and Walter Brittain | Transistor in 1947.
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| Grace Murray | COBOL.1960
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| Jack Kilby | the first integrated circuit in 1958.
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| William Gates III | Microsoft in 1975.
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| Paul Allen | Co-Founder of Microsoft.1975
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| Thomas Knoll and John Knoll | Adobe Photoshop 1988.
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| Adam Fischer Peter Halascy and 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:
shem batallones
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