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descender

Overview page. Subjects: Computing — Bibliography.

The part of a lower-case letter that lies below the baseline. Only a few letters have descenders: y and g are examples.

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digital library

Overview page. Subjects: Computing — Bibliography.

An online repository of electronic texts. These texts may be highly specific, such as information sheets on hardware devices which are maintained on a Web site or they may be similar to the...

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dotcom bubble

Overview page. Subjects: World History — Computing.

A global speculative rise in share prices between c.1997 and 2000 driven by the alleged opportunities for profit presented by the Internet. Access to the Internet, and especially to the...

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dropout

Overview page. Subjects: Media Studies — Computing.

In magnetic recording technology (disk and tape), the loss of one or a sequence of bits due to a fault condition, most frequently a flaw in the recording medium. Magnetic tape and disk...

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email list

Overview page. Subjects: Computing — Media Studies.

A collection of email addresses which are stored in a file. Such lists can be used by email programs for the bulk delivery of email to the members of the list.

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emoticon

Overview page. Subjects: Computing — Media Studies.

(contraction of emotion + icon) A combination of punctuation marks, and sometimes other characters, first used in electronic mail and intended to convey the mood of the writer; emoticons...

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flash crowd

Overview page. Subjects: Literature — Computing.

A large number of users who suddenly appear on a network and then disappear. A good example of this was the large number of Web users who suddenly accessed the Web site holding the newly...

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frame rate

Overview page. Subjects: Media Studies — Computing.

The rate at which the individual images which make up a video signal are displayed; the faster the frame rate the smoother the image seems to be.

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freeze-frame

Overview page. Subjects: Computing — Media Studies.

In moving images, a still image that is created by multiple repetitions of the same picture.

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frequency modulation

Overview page. Subjects: Media Studies — Computing.

A method of encoding information into the wave of a carrier signal by increasing and decreasing its length but not altering its height. Wavelengths can be astronomically large so frequency ...

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