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 the Pascaline. 1642
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| Gottfried Wilhelm von Leibniz 1646-1716 | Invented the Stepped Reckoner in 1670.
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| Charles Babbage 1792-1871 | Analytical Engine-calculating machine that used punced cards to store information in 1842.
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| Herman Hollerith 1860-1929 | Invented the tabulating machine in 1890.
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| John Atanasoff 1903-1995 Clifford Berry 1918-1963 | Atanasoff-Berry Computer (ABC) (1939) used binary system used in computers today.
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| Howard H. Aiken | Mark 1- 1944, The first large-scale automatic digital computer. Considered by some to be the 1st universal calculator.
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| John Mauchly 1907-1980 J. Presper Eckert 1919-1995 | Worked on ENIAC (Electronic Numerical Integration and Calculator) in 1946.
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| Alan Turing 1912-1954 | The Turing Machine a.k.a The "Enigma". 1936
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| John von Neumann 1903-1957 | Built the EDVAC (Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947.
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| William Shockley John Bardeen Walter Brittain | The Transistor in 1947
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| Grace Murray Hopper 1906-1992 | Designed COBOL (Common Business Oriented Language) a programming language. 1959
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| Jack Kilby 1923-2005 | Developed the 1st integrated Circuit in 1958.
Invented the 1st hand held calculator. 1967
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| William Henry "Bill" Gates III - October 28, 1951 | Founder of Microsoft Corporation. 1975
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| Paul Allen - January 21, 1953 | Co-founder of Microsoft Corporation. 1975
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| Thomas Knoll John Knoll | Creators of Adobe Photoshop in 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:
jpferrer670
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