Modeling and Simulation Midterm Exam Reviewer

Sets having the same cardinality but with different elements are considered as equal sets.

Group of answer choices

True

False

False

It represents randomness.

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Probability

Statistics

Statistics

Block building is a principle used in modeling wherein the system can be represented graphically as a simple block diagram.

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True

False

True

Infinite sets are countable.

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True

False

False

It interprets the output data obtained from conducting a stochastic simulation experiment.

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Statistics

Probability

Statistics

1990 was the period when PC-based simulation software, graphical user interfaces and object-oriented programming were developed.

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True

False

False

Simulation is an applied methodology that can describe the behavior of that system using only symbolic models.

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True

False

False

A system is a collection of entities (people, parts, messages, machines, servers, ...) that act and interact together toward some end.

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True

False

True

Given sets A and B, the set operation that will result in a set consisting the elements contained in set A that are not contained in set B is what?

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Union

Complement

Intersection

Difference

Difference

It is used to represent variability of quantities about some average value.

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Uniform Distribution

Normal Distribution

Exponential Distribution

Triangular Distribution

Normal Distribution

A discrete system is a system wherein state variables change instantaneously at separate points in time.

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True

False

True

In generating random variates, a random number is generated.

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True

False

True

An attribute is a system component that is used to denote an object of interest in a system.

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True

False

False

Modeling and Simulation is a problem-based discipline that allows for repeated testing of a conclusion.

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True

False

False

Modeling is the process of representing a model which does not include its construction.

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True

False

False

The system simulation method that gives general solutions.

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Simulation method

Analytical method

Analytical method

A model serves as representations of events and/or things that are imaginary.

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True

False

False

It is the phase in the M&S Development Process Cycle where data/information technologies are applied/used.

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Execute Phase

Analyze Phase

Analyze Phase

An object is either an element of a set or it is not.

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True

False

True

The year when SIMSCRIPT was developed.

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1960

1940

1960

A mathematical construct containing a domain, codomain and rule of correspondence.

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Tree

Relation

Set

Function

Function

Continuous systems are systems wherein state variables remain constant with respect to time.

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True

False

False

It is the phase in the M&S Development Process Cycle where computational technologies are applied/used.

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Execute Phase

Analyze Phase

Execute Phase

State variables are variables that completely describe a system at any given moment in time.

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True

False

True

The letter U represents the universal set.

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True

False

True

A physical system is something that already exist.

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True

False

True

The year when GUIs and OOP were developed.

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1970

1980

1970

Deterministic activities are activities wherein the outputs can be described completely in terms of its input.

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True

False

True

Relevance is a principle used in modeling wherein the information gathered for the model must be correct and accurate.

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True

False

False

A set consisting of the possible outcomes for a random experiment.

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Probability Space

Sample Space

Sample Space

An open system is a system which has exogenous activities.

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True

False

True

It is essential to developing a conceptual understanding of problems involving probability.

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Probability Space

Sample Space

Probability Space

Given sets A and B, the set operation that will result in a set consisting of all elements that are contained either in set A or in set B is what?

Group of answer choices

Difference

Union

Complement

Intersection

Union

Given set U and A as subset of U. What is U - A?

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Complement

Difference

Complement

A system is an organized set of interrelated ideas or principles.

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True

False

True

A physical system is a plan or concept for something physical that does not exist.

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True

False

False

1960 was the period when the first special-purpose simulation languages were developed, such as SIMSCRIPT by Harry Markowitz at the RAND Corporation.

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True

False

True

A set of events from a random experiment that satisfies the property "S element of A."

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Sample Space

Random Events

Sigma Algebra of Events

Probability Space

Sigma Algebra of Events

An endogenous activities are activities that occur outside the system.

Group of answer choices

True

False

False

Given sets A and B, the set operation that will result in a set consisting of all elements that are contained either in set A or in set B is what?

Group of answer choices

Intersection

Difference

Complement

Union

Union

waiting

waiting

waiting

waiting

A protocol used to produce random observations drawn generally from predetermined probability distributions.

Library subprogram

One of the steps in M&S is developing handwritten simulation based on a model of an actual or theoretical physical system.

FALSE

The component in the development of a system model that results to a mathematical or logical representation.

Structural Modeling

In modeling queues, it’s the rate of how fast customers show up.

Arrival rate

M & S used models and simulations to develop data as a basis for making managerial decisions only.

FALSE

A stochastic activity is an activity that occurs outside the system.

FALSE

The simulation paradigm that advances time from one event to the next event.

Discrete-Event Simulation

The first step in modeling and simulation is analyzing the output.

FALSE

The list that an entity enters if a resource is occupied.

Queue

A null set is infinite.

FALSE

Historic case studies can serve as a representation of events that are real.

TRUE

In data modeling, the data model is used to generate the many random variate streams that must be supplied during the simulation of the system model.

TRUE

One of the principles used in modeling is 'Block building'. Which of the following statements refers to 'Block building'?

A system can be described in series of blocks.

An activity that occur outside a system.

Exogenous

The letter U represents the universal set.

TRUE

The year when Monte Carlo simulation was developed.

1940

An advantage of direct use of sample data in input data modeling is that it generates only legal and realistic random variates.

TRUE

It is often used when a random variable having equally likely values over a finite range is needed.

Uniform Distribution

Which of the following statements is true about analytical method of system simulation?

It gives general solution.

The phase in the M&S Development Process Cycle where data/information technologies are applied.

Analyze Phase

One of the principles used in modeling is 'Relevance'. Which of the following statements refers to 'Relevance'?

The model should only include relevant aspect of the system.

A type of system that already exist.

Physical System

A system is an aggregation of objects joined in some regular interaction or interdependence for achievement of a common goal.

TRUE

Probability is a not a fundamental building block of statistics.

FALSE

It is a well-defined experiment in which the experimental outcome cannot be predicted before conducting an experiment.

Random Experiment

Empirical distribution in input data modeling is generally used when a good fit to the sample data using a theoretical distribution cannot be found.

TRUE

It is a means of associating real numbers with experimental outcomes.

Random Variable

The simulation paradigm that uses probabilities.

Monte Carlo Simulation

Statistics is the source of several powerful techniques used to generate the random variate streams that drive a stochastic simulation.

TRUE

Two functions are equal if they have the same domain set, the same codomain set and the same rule of correspondence.

TRUE

The phase in the M&S Development Process Cycle where modeling technologies are applied.

Model Phase

Probability space is not essential to developing a conceptual understanding of problems involving probability.

FALSE

The system simulation method that is used when systems are to complex.

Simulation method

The period when web-based simulation, fancy animated graphics, simulation-based optimization, Markov-chain Monte Carlo methods were developed.

1990

A set consisting of the possible outcomes for a random experiment.

Sample Space

The year when SIMSCRIPT was developed.

1960

The component of a system that causes changes in the system.

Activity

The component of a system that is used to denote an object in a system.

Entity

Empirical distribution in input data modeling is generally used when a good fit to the sample data using a theoretical distribution cannot be found.

TRUE

A set is called infinite if it is empty.

FALSE

Which of the following statements is true about analytical method of system simulation?

It gives general solution.

A type of system that already exist.

Physical System

The exponential distribution function is used to model interarrival times for entities leaving the system.

FALSE

In data modeling, the data model is used to generate the many random variate streams that must be supplied during the simulation of the system model.

TRUE

An open system is a system which has endogenous activities.

FALSE

It is when the customer decides not to enter the waiting line in a queue.

Balking

An activity wherein outputs can be described completely in terms of its input.

Deterministic

An object is either an element of a set or it is not.

TRUE

It is when the customer enters one line and then switches to a different one in an effort to reduce the waiting time.

Jockeying

Stochastic activities are activities wherein the outputs cannot be described in terms of its inputs or outputs.

TRUE

The sample space S is a set consisting of the possible outcomes for a fixed experiment.

TRUE

Statistics is the source of several powerful techniques used to generate the random variate streams that drive a stochastic simulation.

TRUE

Stochastic activities are activities wherein the outputs can be described in terms of its inputs or outputs.

FALSE

One of the principles used in modeling is 'Aggregation'. Which of the following statements refers to 'Aggregation'?

It is the extend to which the number of individual entities can be grouped together into larger entities.

An object that can interact with each other or competes with each other for a resource.

Entity

An empty set has a cardinality of 0.

TRUE

The phase in the M&S Development Process Cycle where data/information technologies are applied.

Analyze Phase

A type of system in which the changes are predominantly smooth.

Continuous system