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Showing posts from December, 2010

TIK TASK : Fiber Optic

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Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. The light forms an electromagnetic carrier wave that is modulated to carry information.

TIK TASK : WIRELESS

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In telecommunications, wireless communication may be used to transfer information over short short distances (a few meters as in television remote control) or long distances (thousands or millions of kilometers for radio communications).