Question 1

When events occur at discrete points in time

Accepted Answer

A) a simulation clock is required. 
B) the simulation advances to the next event. 
C) the model is a discrete-event simulation. 
D) All of the alternatives are correct. 
A) a simulation clock is required. 
B) the simulation advances to the next event. 
C) the model is a discrete-event simulation. 
D) All of the alternatives are correct. D

Question 2

The word "uniform" in the term "uniform random numbers" means

Accepted Answer

A) all the numbers have the same number of digits. 
B) if one number is, say, 10 units above the mean, the next number will be 10 units below the mean. 
C) all the numbers are odd or all are even. 
D) each number has an equal probability of being drawn. 
A) all the numbers have the same number of digits. 
B) if one number is, say, 10 units above the mean, the next number will be 10 units below the mean. 
C) all the numbers are odd or all are even. 
D) each number has an equal probability of being drawn. D

Question 3

If customer 2 has a service time of 1.6, and if customer 3 has an interarrival time of 1.1 and a service time of 2.3, when will customer 3's service be completed?

Accepted Answer

A) 5.0 
B) 3.9 
C) 3.4 
D) There is not enough information to answer. 
A) 5.0 
B) 3.9 
C) 3.4 
D) There is not enough information to answer. D

Question 4

A table of uniformly distributed random numbers should be read

Accepted Answer

A) from left to right. 
B) from top to bottom. 
C) diagonally, starting from the top left corner and moving to the bottom right. 
D) in any consistent sequence. 
A) from left to right. 
B) from top to bottom. 
C) diagonally, starting from the top left corner and moving to the bottom right. 
D) in any consistent sequence.

Question 5

In comparing different policies using simulation, one should use the same set of random numbers whenever possible.

Accepted Answer

A) True 
 B)False

Question 6

For any waiting line system, (Average number of units in waiting line) = (Total waiting time) divided by (Total time of simulation).

Accepted Answer

A) True 
 B)False

Question 7

Validation determines that the computer procedure is operating as it is intended to operate.

Accepted Answer

A) True 
 B)False

Question 8

Simulation is an excellent technique to use when a situation is too complicated to use standard analytical procedures.

Accepted Answer

A) True 
 B)False

Question 9

Verification is the process of ensuring that the simulation model provides an accurate representation of the real system.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements is INCORRECT regarding the advantages of simulation?

Accepted Answer

A) Simulation is relatively easy to explain and understand. 
B) Simulation guarantees an optimal solution. 
C) Simulation models are flexible. 
D) A simulation model provides a convenient experimental laboratory for the real system. 
A) Simulation is relatively easy to explain and understand. 
B) Simulation guarantees an optimal solution. 
C) Simulation models are flexible. 
D) A simulation model provides a convenient experimental laboratory for the real system.

Question 11

In order to verify a simulation model

Accepted Answer

A) compare results from several simulation languages. 
B) be sure that the procedures for calculations are logically correct. 
C) confirm that the model accurately represents the real system. 
D) run the model long enough to overcome initial start-up results. 
A) compare results from several simulation languages. 
B) be sure that the procedures for calculations are logically correct. 
C) confirm that the model accurately represents the real system. 
D) run the model long enough to overcome initial start-up results.

Question 12

Common features of simulations--generating values from probability distributions, maintaining records, recording data and summarizing results--led to the development of

Accepted Answer

A) Excel and Lotus. 
B) BASIC, FORTRAN, PASCAL, and C. 
C) GPSS, SIMSCRIPT, SLAM, and Arena 
D) LINDO and The Management Scientist 
A) Excel and Lotus. 
B) BASIC, FORTRAN, PASCAL, and C. 
C) GPSS, SIMSCRIPT, SLAM, and Arena 
D) LINDO and The Management Scientist

Question 13

Which of the following statements is INCORRECT regarding the disadvantages of simulation?

Accepted Answer

A) Each simulation run only provides a sample of how the real system will operate. 
B) The summary of the simulation data only provides estimates about the real system. 
C) The process of developing a simulation model of a complex system can be time-consuming. 
D) The larger the number of probabilistic inputs a system has, the less likely a simulation will provide the best approach for studying the system. 
A) Each simulation run only provides a sample of how the real system will operate. 
B) The summary of the simulation data only provides estimates about the real system. 
C) The process of developing a simulation model of a complex system can be time-consuming. 
D) The larger the number of probabilistic inputs a system has, the less likely a simulation will provide the best approach for studying the system.

Question 14

Simulation is a trial-and-error approach to problem solving.

Accepted Answer

A) True 
 B)False

Question 15

Simulation

Accepted Answer

A) does not guarantee optimality. 
B) is flexible and does not require the assumptions of theoretical models. 
C) allows testing of the system without affecting the real system. 
D) All of the alternatives are correct. 
A) does not guarantee optimality. 
B) is flexible and does not require the assumptions of theoretical models. 
C) allows testing of the system without affecting the real system. 
D) All of the alternatives are correct.

Question 16

A discrete-event simulation reviews the status of the system periodically, whether or not an event occurs.

Accepted Answer

A) True 
 B)False

Question 17

Computer-generated random numbers are not technically random.

Accepted Answer

A) True 
 B)False

Question 18

A value for probabilistic input from a discrete probability distribution

Accepted Answer

A) is the value given by the RAND() function. 
B) is given by matching the probabilistic input with an interval of random numbers. 
C) is between 0 and 1. 
D) must be non-negative. 
A) is the value given by the RAND() function. 
B) is given by matching the probabilistic input with an interval of random numbers. 
C) is between 0 and 1. 
D) must be non-negative.

Question 19

Numerical values that appear in the mathematical relationships of a model and are considered known and remain constant over all trials of a simulation are

Accepted Answer

A) parameters. 
B) probabilistic input. 
C) controllable input. 
D) events. 
A) parameters. 
B) probabilistic input. 
C) controllable input. 
D) events.

Question 20

Trials of a simulation show what would happen when values of the probabilistic input change.

Accepted Answer

A) True 
 B)False

Exam 12: Simulation

When events occur at discrete points in time

The word "uniform" in the term "uniform random numbers" means

If customer 2 has a service time of 1.6, and if customer 3 has an interarrival time of 1.1 and a service time of 2.3, when will customer 3's service be completed?

A table of uniformly distributed random numbers should be read

In comparing different policies using simulation, one should use the same set of random numbers whenever possible.

For any waiting line system, (Average number of units in waiting line) = (Total waiting time) divided by (Total time of simulation).

Validation determines that the computer procedure is operating as it is intended to operate.

Simulation is an excellent technique to use when a situation is too complicated to use standard analytical procedures.

Verification is the process of ensuring that the simulation model provides an accurate representation of the real system.

Which of the following statements is INCORRECT regarding the advantages of simulation?

In order to verify a simulation model

Common features of simulations--generating values from probability distributions, maintaining records, recording data and summarizing results--led to the development of

Which of the following statements is INCORRECT regarding the disadvantages of simulation?

Simulation is a trial-and-error approach to problem solving.

Simulation

A discrete-event simulation reviews the status of the system periodically, whether or not an event occurs.

Computer-generated random numbers are not technically random.

A value for probabilistic input from a discrete probability distribution

Numerical values that appear in the mathematical relationships of a model and are considered known and remain constant over all trials of a simulation are

Trials of a simulation show what would happen when values of the probabilistic input change.

Introduction

Introduction to Linear Programming

LP Sensitivity Analysis and Interpretation of Solution

Linear Programming Applications

Advanced Linear Programming Applications

Distribution and Network Problems

Integer Linear Programming

Nonlinear Optimization Models

Project Scheduling: Pertcpm

Inventory Models

Waiting Line Models

Decision Analysis

Multicriteria Decisions

Forecasting

Markov Processes

LP: Simplex Method

Simplex-Based Sensitivity Analysis and Duality

Solution Procedures for Transportation and Assignment Problems

Minimal Spanning Tree

Dynamic Programming

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