With the development of the key, the next logical question was, how do we send meaningful messages? Most people visualize the telegraph key, the device upon pressing the key’s lever, an audio tone was sent to the receiving party. This early system allowed data via the transmission of long and short signals of sounds or light, although typically sound was used.
Samuel Morse’s electrical telegraph system used a character encoding system known as Morse code. The 1 and 0 you see here encode the string, We Live in a Binary World, using what is known as ASCII encoding.
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