A numeric code generated at regular intervals by a timing system.

plural of time code

(computer science) A system of instructions and data directly understandable by a computer's central processing unit.

Any code whose elements may take one of three values

(computing) The output of a compiler or assembler; it is not necessarily executable directly without linking to other modules

A substitution cipher

plural of colour code

(computing, derogatory) Software code that has had many editors with conflicting styles, making it nearly impossible to maintain.

plural of cheat code

(video games) A line of text or series of commands which can be used to change a game's behavior, alter a character's looks and abilities, skip levels, or access other hidden features.