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Telecom

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Submitted to Submitted By

Mr.Tarun Vashist Rupahil Mahajan

M.B.A International(Hons.)

Roll No.-11

Telecommunication is the assisted transmission of signals over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, drums, semaphore, flags, Morse Code, or heliograph. In modern times, telecommunication typically involves the use of electronic transmitters such as the telephone, television, radio or computer. Early inventors in the field of telecommunication include Alexander Graham Bell, Guglielmo Marconi and John Logie Baird. Telecommunication is an important part of the world economy and the telecommunication industry's contribution was estimated to be $1.2 trillion in 2006.

The word telecommunication was adopted from the French word télécommunication. It is a compound of the Greek prefix tele- (τηλε-), meaning 'far off', and the Latin communicare, meaning 'to share'.

A telecommunication system consists of three basic elements:
• a transmitter that takes information and converts it to a signal;
• a transmission medium that carries the signal; and,
• a receiver that receives the signal and converts it back into usable information.
For example, in a radio broadcast the broadcast tower is the transmitter, free space is the transmission...