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OMGT TEST 2 QUESTIONS WITH CORRECT ANSWERS
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OMGT TEST 2 QUESTIONS WITH CORRECT ANSWERS
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OMGT TEST 2 QUESTIONS WITHCORRECT ANSWERS
Simulation - Answer-________________ is the imitation of some real thing, state of
affairs, or process. The act of simulating something generally entails representing
certain key characteristics or behaviors of a selected physical or abstract system
Physical Simulation Systems - Answer-refers to simulation in which physical
objects are substituted for the real thing
•These physical objects are often chosen because they are smaller or cheaper than the
actual object or system.
Physical simulations are most often interactive,
e.g. a flight simulator bit not a crash simulation
•Examples: flight simulators, driving simulators, space simulators
Computer Simulation Systems - Answer-is an attempt to model a real-life or
hypothetical situation on a computer, so that it can be studied to see how the system
works.
•By changing variables, predictions may be made about the behavior of the system.
•Computer simulation has become a useful part of modeling in many disciplines (e.g.,
physics, chemistry, biology, engineering , economics, and social sciences).
Interactive Simulation Systems - Answer-the user interacts with the simulation in a
direct manner during the simulation process.
Non-interactive Simulation Systems - Answer-In a ___________________________, or
batch, simulation, the simulation proceeds with no direct user interaction during the
simulation.
• The simulation models we will build will be non- interactive; we may change the model
between simulations, but not during the simulation.
Stochastic Simulation Systems - Answer-In a _________________ simulation model
one or more parameters are random variables, described by probability distributions.
The term Monte Carlo is sometimes used to indicate a ______________ model.
The simulation models we develop will all be ______________ models.
Deterministic Simulation Systems - Answer-In a deterministic simulation model all
parameters have known values.
Dynamic Simulation Systems - Answer-A________________ simulation model tracks
the state of a system over time.
• ________________ systems are often modeled using specialized simulation software
applications.
, The most common type of ________________ simulation done in business applications
involves some sort of queuing system
Queuing System - Answer-A _______________________ is a system where some flow
unit must wait an unspecified time waiting before it can be processed.
Examples of ______________________:
Check out line at a grocery store
• Airport security check-in
• Manufacturing process
• Queries to a web server
• Traffic at an intersection
Static Simulation Systems - Answer-A __________________ simulation model does not
have an explicit changing time component.
__________________systems are well suited to model in Excel.
• All the simulation models we develop will be ______________________.
Simulation Process - Answer-1. Identify the problem
2. Develop a simulation model
3. Test the model
4. Develop a set of statistical experiments
5. Run the simulation and evaluate results
6. Repeat 4 and 5 until results are satisfactory
System - Answer-A _____________ is defined as a collection of entities, e.g., people
and/or machines, that interact together toward the accomplishment of some logical end.
State - Answer-The _________ of a system is the collection of variables necessary to
describe a system at a particular time, relative to the objectives of the study.
Discrete - Answer-A _____________ system is one for which the state variables
change instantaneously at separate points in time. (Very common in business)
Continuous - Answer-A ______________________ system is one for which the state
variables change continuously with respect to time. (Less common in business)
Discrete-Event - Answer-In _______________________ ____________ simulation, the
operation of a system is represented as a chronological sequence of events.
• Each event occurs at an instant in time and marks a change of state in the system.
• Queuing systems are typically modeled as _____________________ systems.
• Queuing systems events may include − Customer Arrives
− Customer Leaves
− Machine breaks down
Modelers can build ______________________systems in different ways
Building Dynamic Simulation Models
− Specialty Simulation packages
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