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| The study and applications of algorithms to computing devices |
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| A process of a limited number of unambiguous and primitive steps leading to a result in a finite period of time and then coming to a halt |
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| A device that is able to follow the algorithm |
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| Is clear and computable without need of external assistance |
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| Is simple and computable without need of external assistance |
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| Successfully processes the algorithm; "doable" |
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| A process of running forever without an internal command to halt |
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| A method of simplifying complex mathematical computations |
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| A device designed to simplify long and arduous arithmetic computations; NOT a computer |
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| Mechanical calculators (Pascaline) |
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| A device built to compute addition and subtraction problems; NOT computers |
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| A mechanical calculator that computes addition, subtraction, multiplication, and division problems by means of cogs and gears; NOT a computer |
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| A computing device that reads punched cards (memory) to create a desired fabric (programmable) |
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| A mechanical calculator that computes arithmetic and complex problems |
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| A more complex form of Babbage's Difference Engine; A computing device that "reads" and solves the problem, processes the result through punched cards, and stores data |
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| Hollerith's card-processing machine |
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| A computing device that would read a punched card and then process the data; designed for more efficency in computing enormous amounts of census data |
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| First computing device to use base-2 binary numbering system |
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| A computing device that stores both data and the instructions to implement it. A program is created to process the instructions. |
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| A model of computation based on von Neumann's stored program computer; used in all modern computing devices |
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| approx. 1950-1957; large, slow, unreliable computers easily suceptible to mechanical failure. Used only by professionally-trained personnel |
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| approx. 1957-1965; use of small transistors and magnetic cores to store memory and processing; computers become smaller and more reliable; "programmers" hired to write commands |
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| approx. 1965-1979; the integrated circuit and minicomputer further scales down the computer and makes it more accessable to the public; sofeware industry creates programs for sale |
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