Unit 3

There are many different codes that have been used throughout the world and throughout history. Morse code is believed to be one of the most well-known code made up of dots and dashes, as it was used throughout the war to send encrypted messages from the war front to their headquarters and vice versa. It was also used to make sure that other countries were not able to decipher the messages and know their next tactic.

Braille is a type of code that is used most commonly by blind people as a method of writing.

Another code that is regularly are postcodes. They are used to sort posts into areas and districts.

There are also many codes that use pictures or sketches in place of the letters of the alphabet. The Egyptian scriptures are a well-known example of this code as well as sherlock’s code. This one shows men dancing with their arms and legs in different positions and carrying flags.


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