![]() ![]() Teletypewriters were invented in the early 20th century with their own codes and gradually replaced Morse code. It is not used as much today as it was in the 19th and 20th centuries. ![]() ![]() Morse code is named after Samuel Morse, who helped invent it. When messages are sent by sound, radio signals or light flashes, dots are short beeps or clicks or flashes, and dashes are longer ones. In written communication, Morse code uses dots and dashes to represent a limited number of alphabet letters, numbers, punctuation and special characters of a given message. Morse code is an old system of encoding messages that is used to send telegraphic information using signals and rhythm. Morse code is still used on ships, using lights
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