what is vacuum tubes
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An electronic device that controls the flow of electrons in a vacuum. It is used as a switch, amplifier or display screen (CRT
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Answer:
An electronic device that controls the flow of electrons in a vacuum. It is used as a switch, amplifier or display screen (CRT). Used as on/off switches, vacuum tubes allowed the first computers to perform digital computations. See vacuum tube types, audiophile, tube amplifier and Vintage Radio Museum.
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