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Прочитайте текст и определите какой из заголовков соответствует тексту. A telecommunication system c...: ответ на тест 1046288 - Английский язык

Прочитайте текст и определите, какой из заголовков соответствует тексту.
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 medium and the radio is the receiver. Often telecommunication systems are two-way with a single device acting as both a transmitter and receiver or transceiver. For example, a mobile phone is a transceiver.
Telecommunication over a phone line is called point-to-point communication because it is between one transmitter and one receiver. Telecommunication through radio broadcasts is called broadcast communication because it is between one powerful transmitter and numerous receivers.
Варианты ответов
  • A Telecommunication System
  • A Radio Broadcast
  • Basic Elements of a Telecommunication System
  • A Transceiver
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 17:57
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 17:57

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