Which of the following best describes the technique of simulation?

1.   ?    A process of summarising stock movements over time
2.   ?    A process of imitating the way a real-life system changes over time
3.   ?    A process of monitoring quality over time
4.   ?    A process of allocating limited resources between competing products

Which of the following is not true?
Simulation may be used when experimenting with the real system is:

1.   ?    Too costly
2.   ?    Too disruptive
3.   ?    Too time consuming
4.   ?    Too simple

In a simulation, service times and inter-arrival times are examples of ?

1.   ?    Relative frequencies
2.   ?    Event times
3.   ?    Random inputs
4.   ?    Critical activities

Times indicating when a customer enters and leaves the system or different processes within the system are referred to as:

1.   ?    Event times
2.   ?    Inputs
3.   ?    Outputs
4.   ?    Constant times

Measurements of interest collected from the simulation and used to calculate summary statistics are known as:

1.   ?    Outputs
2.   ?    Inputs
3.   ?    Throughputs
4.   ?    Offcuts

Which of the following statements is not true?

1.   ?    Random inputs should reflect the uncertainty in the real system
2.   ?    Random inputs can be generated using statistical software
3.   ?    Random inputs can be generated using a table of random numbers
4.   ?    Random inputs should be statistically dependent on one another

What name is given to the method of constructing a simulation by considering the system at regular time-points?

1.   ?    Next-event time-advance
2.   ?    New-stage time advance
3.   ?    Fixed-increment time-advance
4.   ?    Set-period time-advance

Why is a simulation often run for a while before recording data?

1.   ?    To eliminate bias due to the choice of initial conditions
2.   ?    To ensure customer satisfaction
3.   ?    To allow for staff training
4.   ?    To enable sufficient stock to be purchased

If the time between two events has an exponential distribution, what distribution will the number of such events which occur in any unit of time have?

1.   ?    Binomial
2.   ?    Poisson
3.   ?    Uniform
4.   ?    Normal

In a single-server queue, which of the following would usually be assumed?

1.   ?    Service rate = arrival rate
2.   ?    Service rate < arrival rate
3.   ?    Service rate > arrival rate
4.   ?    Service rate + arrival rate = 0