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Unit 13: Simulation Languages (I)



            6.   A simulation model allows the user to understand and test a ……………. improvement   Notes
                 idea in the context of the overall system.
            7.   Visual Interactive Modelling (VIM) takes this concept one stage further by allowing the
                 model to be created …………………...
            8.   The ATM technology is considered as the state of the art ………………. technology that is
                 expected to play an important role in the future networks.

            9.   Human malaria is characterized by hierarchies of ……………….. processes, occurring on
                 diverse time scales within and between heterogeneous populations.
            10.  The parameters h, b and d represent daily rates of vector biting, ……………. and mortality,
                 respectively; b/d gives the ratio of vectors to hosts (N /N ).
                                                            V   H
            11.  Continuous system simulation languages are very high level programming languages
                 which assist ……………….. and simulation of  systems characterized by ordinary  and
                 partial differential equations.
            12.  ……………… is intended to provide a simple method of representing mathematical models
                 on a digital computer.
            13.  The continuous time response  of a physical system is modeled  with ……………….. ,
                 F = ma, is a good instance of a single ODE continuous system.
            14.  The fact that CSSLs represent a tool and not a ……………….. has not always been kept in
                 perspective.
            15.  Discrete-event models are often criticized because they provide no ……………….. analytic
                 solutions.

            13.6 Review Questions

            1.   Do you think in the case of validation tools, several execution semantics have to be taken
                 in consideration in order to perform global simulation?
            2.   Explain, how human malaria is characterized by hierarchies of dynamic processes?
            3.   What are the major components of a Discrete-event Simulation.
            4.   Describe the five key features found in the software simulation model.
            5.   Make an analysis and write a note on Discrete-Event Simulation (DES).Explain it with an
                 example.
            6.   Can a designers and implementers must be willing to stay in the loop and smooth out the
                 operational interface for the users? Why or why not?

            7.   Discrete Event Simulation (DES) concerns the modelling of a system. Explain why or why
                 not?
            8.   Do you think the problems with the random number distributions used in discrete-event
                 simulation are the steady-state distributions?

            9.   Well-known examples of Simulation are Flight Simulators. Give Reasons.
            10.  Object Oriented techniques are the way in which the data and the program code are stored
                 and manipulated. Elaborate.











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