Media Devices Ms. K. Scruggs. Given instructions, the learner will discuss different components of telecommunications with 85% accuracy.

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Presentation transcript:

Media Devices Ms. K. Scruggs

Given instructions, the learner will discuss different components of telecommunications with 85% accuracy.

Telecommunication is the transmission of information over significant distances, for the purpose of communication.

Early communication involved the use of visual signals and audio messages such as: Beacons Smoke Semaphore telegraphs Signal Flags Optical heliographs Drumbeats Lung-blown horns Loud whistles

Modern Age devices used electricity and electronics such as: Telegraph Telephones Teletypes Radio Microwave communication Fiber Optics Orbiting Satellites and Internet

A sending device is a generally computer. A communication device, such as a modem, that converts the computer signal into signals supported by the communication channel. A Communications Channel or path, such as telephone lines, cable, or a wireless transmission link, over which the signal are sent. A receiving device that accepts the incoming signal, which is a general computer. Communication software

Radio signals travel in a straight line from one source to the other.

A microwave signal is sent through space in the form of electromagnetic waves. The signal is also sent is a straight line. Doppler Radar Microwave Station Microwave Station

Communication satellites are placed in orbit 22,300 ft above the surface of the Earth. &cp= ~-99.71&style=h&lvl=4&tilt= &dir=0&alt= &cp= ~-99.71&style=h&lvl=4&tilt= &dir=0&alt=

What is the transmission of information over significant distances, for the purpose of communication? – Telecommunication Name several earlier form of telecommunication devices. – Beacons, Smoke, Semaphore telegraphs, Signal Flags, Optical heliographs, Drumbeats, Lung-blown horns, and Loud whistles Name several modern forms of telecommunication devices. – Telegraph, Telephones, Teletypes, Radio, Microwave communication, Fiber Optics, and Orbiting Satellites and Internet What travels in a straight line form one source to the other? – Radio Signal ________ is sent through space in the form of electromagnetic waves. – Microwave signal

Wikipedia, The Free Encyclopedia on on Computer Basic, Second Edition Bing Maps &cp= ~-99.71&style=h&lvl=4&tilt= &dir=0&alt= &cp= ~-99.71&style=h&lvl=4&tilt= &dir=0&alt=