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 | Mechanical device called Pascaline in 1642.
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| Gottfried Wilhelm von Leibniz | Invented the stepped Reckoner in 1670.
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| Charles Babbage | Analytical Engine-Calculating machine that used punched cards to store information in 1842.
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| Herman Hollerith | Invented the tabulating machine in 1890.
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| John Atanasoff/Clifford Berry | Atanasoff & Berry computer (ABC) in 1939 used binary number system used in computers today.
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| Mark 1 | Automatic Sequence Controlled Calculator. (ASCC)
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| John Mauchly/J.Presper Eckert | Worked on Electronic Numercial Integration and Calculator in 1946.
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| Alan Turing | Developed idea of a universal machine in the late 30's and 40's
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| Jon von Neumann | built the electronic discrete variable automatic computer with Mauchly and Eckert in 1947
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| Transistor | invented in 1947 by William Shockely , John Bardeen, and Walter Brittain.
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| Grace Murray Hopper | Recieved 47 Honorary awards , Born 1906
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| Jack Kilby | Developed the 1st integrated circuit in 1958. She invented the 1st hand held calculator.
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| William Gates III | Born October 28, 1951. Founder of the Microsoft Corporation.
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| Paul Allen | Co-founder of Microsoft Corporation.
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| Thomas Knoll/John Knoll | He is a Software engineer, Creator 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:
k_diaz33
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