1 янв 1863 г. - Thermionic emissions discovered
Описание:
1. This allowed for vacuum tubes to be created which were essential in a large share of previous computers.
2. Vacuum tubes also increased the efficiency and ability of radio and telephone devices whereas now they are used in guitar amps for a more rustic sound.
3. Vacuum chambers not only acted as switches for computers, but also as amplifiers if necessary which allowed electric circuits to have a greater output frequency.
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Computer History Timeline
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