GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A device that used electrical signals to send messages quickly over long distances
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gameboy
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telegraph
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Developed in the 1830s and 1840s by Samuel Morse and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations.
Detailed explanation-2: -Telegraph devices send messages, called telegrams, over long distances. The word “telegraph” comes from two Greek words. “Tele” means “at a distance and “gramma” means “letter”.
Detailed explanation-3: -The lines were connected at both ends to revolving dials marked with the letters of the alphabet and electrical impulses sent along the wire were used to transmit messages.
There is 1 question to complete.