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Вопрос № 237554 - Английский язык

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What served as a major semiconductor material before silicon?
Варианты ответов
  • Silicon was the first material used as a semiconductor, it didn’t have any predecessor.
  • Any simple metal was used for mass production of semiconductors.
  • In the 1960’s silicon replaced germanium, which was the major semiconductor material until then.
  • Photodiodes were widely used as semiconductors before silicon was discovered.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:25
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:25

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