GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Who invented the mobile phone?
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Willis Carrier
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Thomas Edison
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Martin Cooper.
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None of the above
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Explanation:
Detailed explanation-1: -Martin Cooper, the engineer from Motorola, developed the first hand-held phone that could connect over Bell’s AMPS. Motorola launched the DynaTAC in 1984.
Detailed explanation-2: -The first phone call made on a handheld cellular phone was made on April 3, 1973. The first handheld cellular phone call was made on April 3, 1973, by Motorola engineer Martin Cooper from Sixth Avenue in New York while walking between 53rd and 54th streets.
Detailed explanation-3: -In 1973 49-year-old Cooper invented the Motorola DynaTAC 8000X-the first wireless cellular device.
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