COMPUTER FUNDAMENTAL
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Who were the 3 scientists to invent VACUUM TUBES?
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William Shockley
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John Bardeen
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Walter Brattain
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Blaise Pascal
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None of Them
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Explanation:
Detailed explanation-1: -Sir John Ambrose Fleming (1849–1945) was an English electrical engineer and physicist, known primarily for inventing in 1904 the first vacuum tube.
Detailed explanation-2: -The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906. It was the first triode, consisting of an evacuated glass tube containing three electrodes: a heated filament, a grid, and a plate.
Detailed explanation-3: -The vacuum tube is then known as a triode, tetrode, pentode, etc., depending on the number of grids. A triode has three electrodes: the anode, cathode, and one grid, and so on.
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