computer simulation - (computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated"technique - a practical method or art applied to some particular task framework, model, theoretical account - a simplified description of a complex entity or process; "the computer program was based on a model of the circulatory and respiratory systems" computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures fast time scale - (simulation) the time scale used in data processing when the time-scale factor is less than one |