EntityQ188889· pop 73· linked from 777 articles

code

In communications and information processing, code is a system of rules to convert information—such as a letter, word, sound, image, or gesture—into another form, sometimes shortened or secret, for communication through a communication channel or storage in a storage medium. An early example is an invention of language, which enabled a person, through speech, to communicate what they thought, saw, heard, or felt to others. But speech limits the range of communication to the distance a voice can carry and limits the audience to those present when the speech is uttered. The invention of writing,

AI overview

Code is a system of rules that transforms information—like letters, words, or images—into a different form so it can be shared through communication channels or stored for later use. It matters because it expands how far and to whom we can communicate, as shown by inventions like language and writing that allowed people to share thoughts and ideas beyond the limits of speaking face-to-face.

AI-generated from the Wikipedia summary — may contain errors.

Article

15 sections

Contents

Theory
Variable-length codes
Error-correcting codes
Examples
Codes in communication used for brevity
Character encoding
Genetic code
Gödel code
Other
Cryptography
Other examples
Codes in practical use
See also
References
Further reading

The process of encoding converts information from a source into symbols for communication or storage. Decoding is the reverse process, converting code symbols back into a form that the recipient understands, such as English, Spanish, etc.