Television is a telecommunication system for broadcasting and receiving moving pictures and sound over a distance. The term has come to refer to all the aspects of television from the television set to the programming and transmission. The word is derived from mixed Latin and Greek roots, meaning "far seeing" (Greek "tele," meaning far, and Latin "visus," meaning seeing).

Origins

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The origins of what would become today's television system can be traced back as far as the discovery of the photoconductivity of the element selenium by Willoughby Smith in 1873, and the invention of a scanning disk by Paul Nipkow in 1884. All practical television systems use the fundamental idea of scanning an image to produce a time series signal representation. That representation is then transmitted to a device to reverse the scanning process. The final device, the television, relies on the human eye to integrate the result into a coherent image.

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shabbirh (Shabbir R Hassanally) Fri, 01 Jan 2010 10:57:13 -0000
I favorited a YouTube video -- [Press TV] Reality Check - Year In Review 2009 http://youtu.be/-Wl5k7ip65k?a
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shabbirh (Shabbir R Hassanally) Fri, 01 Jan 2010 10:57:07 -0000
I rated a YouTube video (5 out of 5 stars) -- [Press TV] Reality Check - Year In Review 2009 http://youtu.be/-Wl5k7ip65k?a
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missradhe (rosalee Pfeffer) Fri, 01 Jan 2010 09:07:34 -0000
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imScottFree (Scott Free) Thu, 31 Dec 2009 21:26:05 -0000
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Skyy_Hi (Skyy Morton) Thu, 31 Dec 2009 21:22:53 -0000
I Will Be Filming Tonight... Look Out For The "Ant & Skyy New Years Reality Check" by the 3rd... I Hope We Get A TV Show... @AntBaby1
I Will Be Filming Tonight... Look Out For The "Ant & Skyy New Years Reality Check" by the 3rd... I Hope We Get A TV Show...
Skyy_Hi (Skyy Morton) Thu, 31 Dec 2009 21:21:41 -0000
I Will Be Filming Tonight... Look Out For The "Ant & Skyy New Years Reality Check" by the 3rd... I Hope We Get A TV Show...

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