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Coding

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Considering the flashlight-messaging (ABC=123);What are the key drawbacks of the Numbered Code(replacing each character with a number)?
How does either Morse code or Braille overcome these?

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A direct Numbered Code representation of alphabetic characters have certain drawbacks. First, the number of symbols using a number system is much lesser than that of the symbols in the alphabet. A decimal number system for example only has 10 symbols (0 to 9), whereas the English ...

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