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 (pasacline) | Mechanical device called the Pascaline - 1642
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Gottfried Wilhelm von Libniz (stepped reckoner) | Stepped Reckoner - 1670
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Charles Babbage (calculating machine) | Analytical Engine-calculating machine - 1842
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Herman Hollerith(tabulating machine) | Tabulating machine - 1890
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John Atanasoff & Clifford Berry (abc) | Atanasoff-Berry Computer (ABC) - 1939
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Mark 1(ascc) | Automatic Sequence Controlled Calculator (ASCC)
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John Mauchly & J. Presper Eckert (eniac) | Electronic Numeral Integration and Calculator (ENIAC) - 1946
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Alan Turning (turning machine) | The Turning Machine - Late 30's and 40's
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Jon von Neumann (edvac) | Electronic Discrete Variable Automatic Computer (EDVAC) - 1947
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William Shockley, John Bardeen, & Walter Brittain (transistor) | Transistor - 1947
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Grace Murray Hopper (cobol) | Common Business Oriented Language (COBOL)
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Jack Kilby (1st intergrated circuit) | 1st intergrated circuit - 1958
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William Gates III (founder of microsoft) | Founder of Microsoft Corporation - 1975
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Paul Alan (co-founder) | Co-Founder of Microsoft Corporation
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Thomas Knoll & John Knoll (adobe) | 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:
osablan
Popular Computers sets