closed systemclosed system
(plural closed systems)
- (thermodynamics) A system that can exchange heat and work, but not matter, with its surroundings.
closed system - Computer Definition
A system in which the specifications are kept secret to prevent interference from third parties. It inhibits third-party software from being installed; it keeps third-party hardware from interoperating with it, and it prevents third-party enhancements from improving the product. Contrast with open system. See proprietary standards.