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 | invented a mechanical calculating device called Pascaline. 1642
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| Gottfried Wilhelm von Leibniz 1646-1716 | the Stepped Reckoner in 1670
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| Charles Babbage 1792-1871 | Analytical Engine-calculating machine that used punch cards to store information in 1842.
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| herman hollerith 1860-1929 | The tabulating machine in 1890.
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| John Atanasoff 1903-1995 Clifford Berry 1918-1963 | Atanasoff-berry Computer (ABC) (1939) used binary number system used in computer today.
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| Mark 1- 1944 | over 51 feet long and weighed over 5 tons
ASCC (Automatic Sequence Controlled Calculator)
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| john mauchly 1907-1980- j. Presper Eckert 1919-1995 | worked on ENIAC (Electronic Numerical Interigation and Calculater) in 1946.
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| alan truning 1912-1954 | Developed idea of a universal machine in the late 30's and 40's.
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| Jon Von Neumann 1903-1954 | could divide 8 digit numbers in his mind at the age of 6.
and built the EDVAC (electronic discrete variable automatic computer)
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| transistor | invented in 1947 by william shockley, john bardeen and walter brittain.
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| Grace Murray Hopper 1906- 1992 | recieved 47 honorary awards. designed COBOL (common business oriented language)
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| jack kilby 1923-2005 | developed the 1st integrated circuit in 1958. invented the first hand held calculator.
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| William Gates III october 28, 1951 | founder of microsoft corporation
owner of portland trail blazers
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| Thomas Knoll John Knoll | Software engineers.
Creators of Adobe Photoshop 1988.
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| Jon Von Neumann 1903-1954 | could divide 8 digit numbers in his mind at the age of 6.
and built the EDVAC (electronic discrete variable automatic computer)
🗑
|
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| transistor | invented in 1947 by william shockley, john bardeen and walter brittain.
🗑
|
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| Grace Murray Hopper 1906- 1992 | recieved 47 honorary awards. designed COBOL (common business oriented language)
🗑
|
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| jack kilby 1923-2005 | developed the 1st integrated circuit in 1958. invented the first hand held calculator.
🗑
|
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| William Gates III october 28, 1951 | founder of microsoft corporation
owner of portland trail blazers
🗑
|
||||
| Thomas Knoll John Knoll | Software engineers.
Creators 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:
Bruddah Bry
Popular Computers sets