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A module is a self-contained component of a system, which has a well-defined interface to the other components; something is modular if it includes or uses modules which can be interchanged as units without disassembly of the module. Design, manufacture, repair, etc. of the modules may be complex, but this is not relevant; once the module exists, it can easily be connected to or disconnected from the system.

Module may also refer to:

Computing

• Modular programming, computer program structuring
• Loadable kernel module, object code loadable into the Linux kernel
• Module file (.mod), various computer file formats for music
• Modular Power Supply Unit, customizable computer power supply unit

Engineering

• Modular design

Mathematics

• Module (mathematics), in abstract algebra, a generalization of the notion of a vector space
• Module, in category theory, a generalization of the notions of relation and bimodule
• Modular form, in mathematics, certain analytic functions, used in number theory
• Modular representation theory, in mathematics, representing groups using complex numbers called characters
• Modular decomposition, in graph theory
• See also modulo, modulus and moduli

Technology

• Ford Modular engine Ford's line of OHC V8 and V10 motors
• Module (equipment) - a complete subassembly of some sort which can be replaced in its entirety by an identical module or a different module
• The components of a modular space station such as the ISS or the Mir
• MCM (multi-chip module, an electronic part containing several sub-assemblies)

Other

• Cotton module, a huge compacted square of unprocessed cotton about the size of a school bus
• Sound module, electronic musical instrument without a human interface
• A distinct scenario or adventure in role-playing games
• Modular Recordings, a record label
• Module (Musician) , The solo project of New Zealand based Musician/Producer Jeramiah Ross
• NTC Module, a Russian R&D center Media
• Module file (see also Tracker or MikMod)

See also

• Modularity
• Atomicity

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