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communication
(redirected from communicational)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson 0.09 sec.
communication, transfer of information, such as thoughts and messages, as contrasted with transportation, the transfer of goods and persons (see information theory information theory or communication theory, mathematical theory formulated principally by the American scientist Claude E. Shannon to explain aspects and problems of information and communication.
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). The basic forms of communication are by signs (sight) and by sounds (hearing; see language language, systematic communication by vocal symbols. It is a universal characteristic of the human species. Nothing is known of its origin, although scientists have identified a gene that clearly contributes to the human ability to use language.
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). The reduction of communication to writing was a fundamental step in the evolution of society for, in addition to being useful in situations where speech is not possible, writing permits the preservation of communications, or records, from the past. It marks the beginning of recorded history. Whereas the rise of book publishing book publishing. The term publishing means, in the broadest sense, making something publicly known. Usually it refers to the issuing of printed materials, such as books, magazines, periodicals, and the like.
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 and journalism journalism, the collection and periodic publication or transmission of news through media such as newspaper , periodical , television , and radio .

Schools


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 (see also newspaper newspaper, publication issued periodically, usually daily or weekly, to convey information and opinion about current events.

Early Newspapers



The earliest recorded effort to inform the public of the news was the Roman Acta diurna,
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 and periodical periodical, a publication that is issued regularly. It is distinguished from the newspaper in format in that its pages are smaller and are usually bound, and it is published at weekly, monthly, quarterly, or other intervals, rather than daily.
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) facilitated the widespread dissemination of information, the invention of the telegraph Telex is a telegraphy system that transmits and receives messages in printed form. Today telegraphy is rarely used, having been supplanted by the telephone , facsimile machines, and computer electronic mail , among others.
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, the radio radio, transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment used, especially to the radio receiver.
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, the telephone telephone, device for communicating sound, especially speech, usually by means of wires in an electric circuit. The telephones now in general use evolved from the device invented by Alexander Graham Bell and patented by him in 1876 and 1877.
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, and television television, transmission and reception of still or moving images by means of electrical signals, especially by means of electromagnetic radiation using the techniques of radio and by fiberoptic and coaxial cables.
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 made possible instantaneous communication over long distances. With the installation of the submarine cable coaxial cable, which is virtually immune to external interference, consists of two concentric conductors separated by an insulator; the current in the inner conductor draws the current in the outer conductor toward the center rather than letting it dissipate outwards.
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 and improvements in short-wave radio technology, international communication was greatly improved and expanded. In 1962 the first active communications satellite was launched; it provided the first live television broadcast between the United States, Europe, Japan, and South America. Today, satellite communications is used extensively for relaying television signals, telephone calls, and special teleconferencing calls that might include two-way video and graphics along with audio (see satellite, artificial satellite, artificial, object constructed by humans and placed in orbit around the earth or other celestial body (see also space probe ). The satellite is lifted from the earth's surface by a rocket and, once placed in orbit, maintains its motion without further
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). The 20th-century development of mass media has played a major role in changing social, economic, political, and educational institutions. In the United States, radio and television communication is controlled by the Federal Communications Commission Federal Communications Commission (FCC), independent executive agency of the U.S. government established in 1934 to regulate interstate and foreign communications in the public interest.
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. The international phases of transport and communications are under the direction of the Office of Transport and Communications of the Dept. of State. The United Nations maintains an International Telecommunication Union (ITU), which has three functions—to maintain and extend international cooperation for the improvement and rational use of telecommunication, to promote the development and efficient use of technical facilities, and to harmonize the actions of nations. Telecommunication has been defined by international agreement as any emission, transmission, or reception of signs, signals, sounds, and writing. Recent advances in electronics have made mobile personal communications widely available and inexpensive, primarily through cellular telephony. Worldwide computer networks allow computer users to use modems fax modem enables a computer to send and receive transmissions to and from a fax machine (see facsimile ) or another fax modem.

Modems were first used with teletype machines to send telegrams and cablegrams.
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 to communicate rapidly and inexpensively through electronic mail. The proliferation of facsimile facsimile (făksĭm`əlē) or fax,
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 machines allows users to send printed communications over telephone lines. See broadcasting broadcasting, transmission of sound or images to a large number of receivers by radio or television. In the United States the first regularly scheduled radio broadcasts began in 1920 at 8XK (later KDKA) in Pittsburgh.
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.

Bibliography

See H. M. McLuhan, The Medium is the Message (1967); E. W. Brody, Communication Tomorrow (1990); M. M. Mirabits and B. L. Morgenstein, The New Communications Technologies (1990); W. Schweber, Electronic Communications Systems (1991).



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M-commerce is not just a variant of e-commerce, but a unique distribution channel based on the shifting role of mobile devices from purely communicational to transactional.
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