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any device or system that simulates specific conditions or the characteristics of a real process or machine for the purposes of research or operator training
A routine which is executed by one computer but which imitates the operations of another computer.
A computer or other piece of equipment that simulates a desired system or condition and shows the effects of various applied changes, such as a flight simulator.
A term used normally for aircraft simulators. However, simulators are dynamic devices that attempt to reproduce the behavior of another dynamic device to the maximum extent but in static conditions. An aircraft simulator is an enclosed housing that duplicates the controls, feel, displays, and performance of the actual aircraft. There are also maintenance simulators to train maintenance personnel and air combat simulators to train pilots in air combat. The simplest form of simulator is a desktop. This form and those based on personal computers are becoming more common.
simulator(1) Software that enables the execution of an application written for a different computer environment. See emulator.
(2) Software that models the interactions of business processes to determine the most advantageous marketing approach.
(3) Software that models the behavior of an electronic device or circuit. For example, a smartphone simulator operates in the computer as if it were an actual hardware device.
(4) Hardware and software that models the behavior of real-world objects. See flight simulator.