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digital circuit

(Encyclopedia)digital circuit, electronic circuit that can take on only a finite number of states. That is contrasted with analog circuits, whose voltages or other quantities vary in a continuous manner. Binary (tw...

facsimile

(Encyclopedia)facsimile făksĭmˈəlē [key] or fax, in communications, system for transmitting pictures or other graphic matter by wire or radio. Facsimile is used to transmit such materials as documents, telegra...

fractal geometry

(Encyclopedia)fractal geometry, branch of mathematics concerned with irregular patterns made of parts that are in some way similar to the whole, e.g., twigs and tree branches, a property called self-similarity or s...

audiovisual education

(Encyclopedia)audiovisual education, educational instruction by means of materials that use the senses of sight and hearing to stimulate and enrich learning experiences. The successful use of motion pictures and ot...

multimedia

(Encyclopedia)multimedia, in personal computing, software and applications that combine text, high-quality sound, two- and three-dimensional graphics, animation, photo images, and full-motion video. In order to wor...

stock exchange

(Encyclopedia)stock exchange, organized market for the trading of stocks and bonds (see bond; stock). Such markets were originally open to all, but at present only members of the owning association may buy and sell...

Moore, Clement Clarke

(Encyclopedia)Moore, Clement Clarke, 1779–1863, American educator and poet, b. New York City, grad. Columbia, 1798. A biblical scholar, he was professor of Asian and Greek literature at the Episcopal General Theo...

Open University

(Encyclopedia)Open University, headquartered at Milton Keynes, England; founded 1969 as the Univ. of the Air. In 1971 a distance learning program was begun that now consists of correspondence courses integrated wit...

Lanai

(Encyclopedia)Lanai lənīˈ [key], island, 141 sq mi (365 sq km), central Hawaii, W of Maui island across the Auau Channel; Mt. Lanaihale (3,370 ft/1,027 m) is the island's highest point. Lanai City (1990 pop. 2,4...

Swiss Federal Institute of Technology

(Encyclopedia)Swiss Federal Institute of Technology, at Zürich, founded 1855 as the Federal Polytechnic Institute, given its current name 1911. It is a science and technology research university with a solid reput...