Information system professionals strive to determine requirements by interviewing clients, observing activities at the client's site, and studying existing system documentation. Still this often leads to vague and inaccurate requirements documentation. When teaching the skills needed to determine requirements, it is important to recreate a…

A basically tutorial point of view is taken in this general discussion. The author examines the basic concepts and principles of simulation and modelling and the application of digital computers to these tasks. Examples of existing simulations, a discussion of the applicability and feasibility of simulation studies, a review of simulation…

Discusses the use of simulations to study complex real-life systems in engineering. Describes some of the limitations of using simulations. Identifies some situations in which computer simulations are practical and useful tools for the design, analysis, and evaluation of systems. (TW)