(blank) invented the (blank). It was a device that sent electrical signals along a wire. Eventually, messages could be sent long distances using this device. The series of dots and dashes used became known as (blank)

Question

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Answer 1

Samuel Morse invented the telegraph. It was a device that sent electrical signals along a wire. Eventually, messages could be sent long distances using this device. The series of dots and dashes used became known as Morse code.