Second-order cybernetics, also known as the cybernetics of cybernetics, investigates the construction of models of cybernetic systems.
model | operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | Model (person) | Global Positioning System | America's Next Top Model | Solar System | X Window System | Ford Model T | Korean Broadcasting System | New Model Army | System of a Down | model (person) | Domain Name System | Seoul Broadcasting System | North Carolina Community College System | Mutual Broadcasting System | Bulletin board system | system | Turner Broadcasting System | Program and System Information Protocol | Geographic information system | Ubuntu (operating system) | Tokyo Broadcasting System | Model United Nations | Federal Reserve System | Youth system | Embedded system |