Code (disambiguation)

From Wikipedia, the free encyclopedia

The word code has a number of meanings:

• A code is a rule for converting a piece of information into another object or action, not necessarily of the same sort.
  • A code (cryptography) is a device for hiding the meaning of a message.
  • A code in semiotics carries information in a verbal and/or nonverbal form. See also: encode and decode
  • In computer networks, a line code adapts a signal to a channel, channel coding adds a simple change to detect errors, and source coding removes redundant symbols from a message, resulting in data compression.
  • An error-correcting code is a type of code designed to detect and correct some errors in the transmission of messages. Related, but simpler, codes can detect but not correct some errors. Forward error correction data codes include block code and convolutional code.
  • Code (computer programming) as a general antonym to data:
    • Source code is a text written by programmer in a programming language that is processed by a compiler to produce an executable program.
    • Object code and machine code are binary instructions.
  • In information theory, a code is a function mapping an alphabet to non-negative real numbers, satisfying a generalization of Kraft's inequality. A code page, a type of character encoding table, is one such code.
  • In sociolinguistics, a code can be a language, dialect, or language register. See variety (linguistics).
• The genetic code made of DNA specifies which transfer RNA sequence to build.
• A civil code is a set of rules or laws. See also codification, legal code, penal code, fire code, building code, traffic code, electrical code, Code of Federal Regulations and United States Code.
• A dress code is a social standard.
• Codes/rules for biological naming conventions are known as Nomenclature Codes.
• Code Blue is a medical jargon term used in the United States for certain types of critical medical emergency. Sometimes, it is shortened to just "Code".
• Code Red has several meanings.
• Code Pink is an anti-war group.
• Code Adam is a missing child announcement in the United States.
• The various games known as "football" are often referred to as codes of football. For example, a player moving from one to another is described as "switching codes".
• A cheat code is a sequence of buttons in a video game (or possibly keystrokes in a computer game) that gives the user some special power, or occasionally activates some kind of easter egg.
  • "The Code" in this context may refer to the Konami Code.
• Code 46 is a British science fiction film of a dystopian future.
• Code and Other Laws of Cyberspace is a book by Lawrence Lessig
• "The Code" may refer to the code of non-infringement of performance artists
• The Code (band) is a ska punk band
• Code (set theory)