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adjacency pair

Overview page. Subjects: Psychology — Media Studies.

In conversation analysis, two successive utterances where the second (e.g. an answer) is required by the first (e.g. a question). Compare interchange.

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affect display

Overview page. Subjects: Media Studies — Psychology.

A form of non-verbal communication in which an emotion or affect is communicated, chiefly in humans by a facial expression. See also display rule, expressive behaviour, kinesics, primary...

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affordance

Overview page. Subjects: Psychology — Media Studies.

A term coined in 1977 by the US psychologist James Jerome Gibson (1904–79), to refer to a resource or support provided by the environment to an organism, furnishing or affording the...

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Alexanderson, Ernst Fredrik Werner

George H. Douglas.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Electrical Engineering; Radio; Television. 1146 words.

Alexanderson, Ernst Fredrik Werner (25 January 1878–14 May 1975), engineer and radio and television pioneer, was born in Uppsala, Sweden, the son of Aron Martin Alexanderson, a professor,...

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amplitude modulation

Overview page. Subjects: Computing — Media Studies.

The process whereby a digital signal is sent over a transmission line by changing the amplitude of a sine wave known as a carrier.

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Andover, Viscount

in Who's Who

P ublished online December 2007 .

Reference Entry. Subjects: Media Studies; Performing Arts; Science and Mathematics; Genealogy, Heraldry, Names, and Honours. 37 words.

Born 17 Sept. 1974; s and heir of 21st Earl of Suffolk and Berkshire, qv; m 2011, Victoria, d of James Hamilton; one d

Managing Director, guntrader.co.uk...

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Armstrong, Edwin Howard

Elizabeth Noble Shor.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Electrical Engineering; Engineering and Technology; Radio. 1736 words.

Armstrong, Edwin Howard (18 December 1890–31 January 1954), electrical engineer and inventor, was born in New York City, the son of John Armstrong, a publisher, and Emily Smith, a teacher....

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Ashworth, Sir John (Michael)

in Who's Who

P ublished online December 2007 .

Reference Entry. Subjects: Media Studies; Performing Arts; Science and Mathematics; Education. 236 words.

Kt 2008; DSc

Born 27 Nov. 1938; s of late Jack Ashworth and late Constance Mary Ousman; m 1st, 1963, Ann Knight (d 1985); one s three d...

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asynchronous communication

Overview page. Subjects: Computing — Media Studies.

The transmission of data over a communication medium where the time at which a character of the data is sent is not determined by the timing of the sending or receiving of a previous...

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Attenborough, Sir David (Frederick)

in Who's Who

P ublished online December 2007 .

Reference Entry. Subjects: Media Studies; Performing Arts; Science and Mathematics; Literature; Publishing; World History; Travel and Holiday. 755 words.

OM 2005; CH 1996; Kt 1985; CVO 1991; CBE 1974; FRS 1983; FLS; FSA

Born 8 May 1926; s of late Frederick Levi Attenborough and Mary Attenborough (née Cleggs); ...

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