Difference between revisions of "Code"
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In communications and [[information processing]], '''code''' is system of rules to convert [[information]] -- such as a letter, word, sound, image, or gesture -- into another, sometimes shortened or secret, form or representation for [[communication through a channel]] or [[storage in a medium]]. | In communications and [[information processing]], '''code''' is system of rules to convert [[information]] -- such as a letter, word, sound, image, or gesture -- into another, sometimes shortened or secret, form or representation for [[communication through a channel]] or [[storage in a medium]]. | ||
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== Description == | == Description == | ||
Revision as of 06:08, 9 September 2015
In communications and information processing, code is system of rules to convert information -- such as a letter, word, sound, image, or gesture -- into another, sometimes shortened or secret, form or representation for communication through a channel or storage in a medium.
(TO DO: expand, organize, cross-reference, illustrate.)
Description
An early example is the invention of language, which enabled a person, through speech, to communicate what he or she saw, heard, felt, or thought 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, which converted spoken language into visual symbols, extended the range of communication across space and time.
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
Computer programming
In computer programming, coding is a common term for the the act of writing source code. The resuluting source code is commonly known as simply code.
See also
TO DO: cross-ref.
External links
- Code @ Wikipedia
