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- Blaise Pascal invented the Pascaline in 1642 but it turned out that the device never worked properly due to mechanical failure within the device. The device was only used to add numbers and nothing else.
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| Gottfried Wilhem von Leibniz | Stepped Reckoner- The device was invented by a German mathematician named Gottfried Wilhem von Leibniz in the 1670's. The device was used to do all four arithmetic operations but malfunctioned.
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| Charles Babbage | Charles Babbage, FRS was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage is best remembered for originating the concept of a programmable computer.
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| Herman Hollerith | Herman Hollerith was an American statistician and inventor who developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from millions of pieces of data.
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| John Atanasoff Clifford Berry | John Vincent Atanasoff was an American physicist and inventor, best known for inventing the first electronic digital computer. Atanasoff invented the first electronic digital computer in the 1930s at Iowa State College.
Clifford Edward Berry helped John
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| The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University’s staff,[1] was a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II. | Mark I
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| John Mauchly J. Presper Eckert | John William Mauchly was an American physicist who, along with J. Presper Eckert, designed ENIAC, the first general purpose electronic digital computer, as well as EDVAC, BINAC and UNIVAC I, the first commercial computer made in the United States.
John A
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| Alan Turing | Alan Mathison Turing, OBE, FRS was a British pioneering computer scientist, mathematician, logician, cryptanalyst, philosopher, mathematical biologist, and marathon and ultra distance runner.
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| Jon von Neumann |
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| Transistor
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| Grace Murray Hopper |
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| Jack Kilby |
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| William Gates III |
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| Paul Allen |
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| Thomas Knoll John Knoll |
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| ARPANET
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| Robert Metcalfe |
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| Adam Fischer, Peter Arvai, Peter Halascy |
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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:
boom670
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