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teletext |
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teletext: see videotex videotex, communications service that is linked to an adapted television receiver or a personal computer by telephone lines, cable television facilities, or the like, and that allows a user to retrieve and display alphanumeric and pictorial information at home.
..... Click the link for more information. . teletext A broadcasting service that transmits text to a TV set that has a teletext decoder. It uses the vertical blanking interval of the TV signal (black line between frames when vertical hold is not adjusted) to transmit about a hundred frames. See videotex.teletext [′tel·ə‚tekst] (communications) A data broadcasting service in which preprogrammed sequences of frames of data are broadcast cyclically, and a user equipped with a standard television receiver and a special decoder selects the desired frames of information for viewing. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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