Вопрос № 857126 - Английский язык

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Telephony is the branch of telecommunication which provides for the exchange of information in the form of speech. In any telephone system speech or other sounds are converted into electric signals that are transmitted to a distant point where they are converted back into reproductions of the original sound.
Telephone set is an assembly of apparatus provided at each end of a telephone circuits to enable the user to make and receive calls.
A microphone forming part of a telephone set is called a telephone transmitter while a transducer forming part of a telephone set and used to convert voice-frequency currents into audible sounds is telephone receiver. The system also includes an electric bell responsive to low-frequency AC or pulsating current and is used as a calling device at a telephone station.
Варианты ответов
  • An Electric Bell
  • A Telephone Transmitter
  • Telephone Set
  • Telephone System
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 15:21
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 15:21