The coding information

The walrus was the first encoding to enable long distance communication. That Samuel FBMorse which has developed in 1844. This code is composed of dots and dashes (a binary encoding somehow ...). It allowed making communications much faster than is possible the mail system at the time the United States: the Pony Express. The interpreter was the man at the time; it was therefore a good knowledge of code...

Many codes were invented with the Emile Baudot code (also on behalf of the Baudot code, the English called by contrast Murray Code).

On March 10, 1876, Dr. Graham Bell developed the telephone, a revolutionary invention that allows for movement of the voice information in wireline. Anecdotally, the House of Representatives decided that the invention of the telephone returned to Antonio Meucci. The latter had indeed filed a patent application in 1871, but was unable to fund it beyond 1874.

These lines enabled the development of teletype machines to encode and decode the characters using the Baudot code (the characters were then coded on 5 bits, so there were only 32 characters ...).

In the 60s, the code ASCII (American Standard Code for Information Interchange) is adopted as the standard. It allows the character encoding of 8 bits, or 256 possible characters.