The Morse code translates the symbols of the Latin alphabet into an “alphabet" consisting of three signals: a short signal, a long signal and a pause. The information is created by the combination of signals and pauses. This code was developed for the telegraphic transmission of information in the first half of the 19th century. At the beginning of the 21st century it is hardly used any more. However, everyone knows of it because of the internationally understood distress call “SOS".
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