Analog Vs. Digital Computing - Research Article from World of Computer Science

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Analog Vs. Digital Computing

Digital computers calculate by manipulating binary digits (bits; ones and zeroes). Because bits are so simple to handle they can be made easily to stand for almost anything; hence the general usefulness of digital computers. Bits can symbolize words, instructions, laws of logic or of physics, numerical measurements, recorded images and sounds--anything that can be written down. In using a digital computer to solve a mathematical equation, for example, certain bits inside the computer are arranged to symbolize the constants and variables in the equation and others are arranged to symbolize the mathematical rules for manipulating those constants and variables. When the computer runs, it applies the rules to the variables just as a person would, only faster.

There is another quite different way to solve an equation: instead of symbolizing an equation, one can set up an experiment in...

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This section contains 1,020 words
(approx. 4 pages at 300 words per page)
Buy the Analog Vs. Digital Computing Encyclopedia Article
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Analog Vs. Digital Computing from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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