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Вопрос № 223268 - Английский язык

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How does digital television work? Basically it performs by splitting the continuous analogue signal into a series of separate pulses. A continuously varying electric signal generated by a usual broadcasting camera is fed into an electronic device which converts it into pulses. These pulses represent binary recordings of the signal’s values at any given moment. At the receiving end of the circuit, the digital signal of binary pulses can be unscrambled back into the analogue signal which is then fed into ordinary TV sets. But the advantages of digital techniques can themselves be used in TV sets in order to improve their reception qualities considerably.
Варианты ответов
  • The pulses represent binary recordings of the signal’s values at certain moment.
  • Digital television doesn’t perform by splitting the continuous analogue signal into a series of separate pulses.
  • The advantage of digital techniques is in improving their qualities considerably.
  • A continuously varying electric signal isn’t fed into an electronic device.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:16
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:16

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Вопрос № 347515

Прочитайте текст и выберите утверждение, соответствующее содержанию текста
How does digital television work? Basically it performs by splitting the continuous analogue signal into a series of separate pulses. A continuously varying electric signal generated by a usual broadcasting camera is fed into an electronic device which converts it into pulses. These pulses represent binary recordings of the signal’s values at any given moment. At the receiving end of the circuit, the digital signal of binary pulses can be unscrambled back into the analogue signal which is then fed into ordinary TV sets. But the advantages of digital techniques can themselves be used in TV sets in order to improve their reception qualities considerably.
Digital television doesn’t perform by splitting the continuous analogue signal into a series of separate pulses.
The pulses do not represent binary recordings of the signal’s values at certain moment.
A continuously varying electric signal isn’t fed into an electronic device.
The advantage of digital techniques can be used in TV sets to improve their qualities considerably.

Вопрос № 1006875

Signals can be either analogue or digital. In an analogue signal, the signal is varied continuously with respect to the information. In a digital signal, the information is encoded as a set of discrete values (for example ones and zeros). During transmission the information contained in analogue signals will be degraded by noise. Conversely, unless the noise exceeds a certain threshold, the information contained in digital signals will remain intact. This noise resistance represents a key advantage of digital signals over analogue signals.
Содержанию текста соответствуют утверждения …
During transmission the information contained in analogue signals will remain intact when the noise exceeds a certain threshold.
During transmission the information contained in analogue signals will be degraded by discrete values.
During transmission the information contained in analogue signals will be degraded by noise.
During transmission the information contained in digital signals will remain intact when the noise exceeds a certain threshold.

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Вопрос № 223269

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Digital TV has its disadvantages. The main one lies in the tremendous scope of information to be transmitted. And it must be done at the rate of 216 million pulses per second. This great flow of information is rather difficult and extremely expensive to transmit over great distances by the technical means available today.
Russian researchers studying this problem have found help in the principles they observed in living nature. And the efforts of Russian researchers in this field are internationally recognized.
The efforts of Russian researches in the field of digital television are recognized only in Russia.
The information in digital television can be transmitted at the rate of 200 million pulses per second.
The efforts of English researches in the field of digital television are internationally recognized.
Digital television has some disadvantages.

Вопрос № 223270

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Вопрос № 223271

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Выберите соответствия между английскими словами и выражениями и их русскими эквивалентами
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