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he invented the tube that made the radio i am payne stewart deforest

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11y ago

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What was Lee Jordan handle on the radio?

LJ CoolCat.


When the radio was invented?

November 2, 1920 was the first time the radio went to the public. ---------------------- Difficult to answer...it happened in small stages. Marconi in very late 19th century achieved the first transmission and reception. I believe he used a spark-gap transmitter and a coherer receiver. Then Lee DeForest invented the triode tube (1920), and the superhet became possible. Then directly heated tubes appeared, and portable radios became possible. (about 1950) Then the transistor was invented, also in several stages, becoming practical about 1965.


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Is radio a digital computer?

-- The principles of radio were developed by Maxwell in the 1870s and Hertz in the 1880s,followed by Marconi and DeForest in the 1890s and 1900s.-- The first full-time radio station, KDKA in Pittsburgh, began broadcasting in 1920.-- The principles of digital computing were developed by Turing in the late 1930s.-- DAB radio (Digital Audio Broadcasting) was developed in the 1980's as European project. The first regular digital transmission was made in 1995 in Norway. The BBC radio is in digital format since 2001.So in answer to your question. All radios are notdigital computers. But if you have a DAB radio or a Satellite radio, they will have digital computers inside them, to decode the digital signal.


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