SIMULATION EXAM 2 QUESTIONS WITH
CORRECT ANSWERS
System - Correct Answers -A set of inter-related components that act
together over time to achieve common objectives.
Parameters - Correct Answers -Quantities that are properties of the system
that do not change. These are typically quantities
(variables) that are part of the environment that the
modeler feels cannot be controlled or changed.
Parameters are typically model inputs in the form of
variables.
System State - Correct Answers -A "snap shot" of the system at a
particular point in time characterized by the values of the
variables that are necessary for determining the future
evolution of the system from the present time.
Event - Correct Answers -something that happens at
an instant in time which corresponds to
a change in object state.
Activity - Correct Answers -an operation that takes
time to complete. An activity is
associated with the state of an object
over an interval.
Process - Correct Answers -associated with an entity
and represents the sequence of states
that the entity experiences over a span.
Process Description - Correct Answers -describes the
general process that a entity
experiences as it moves through the
system.
Variables - Correct Answers -Quantities that are properties of
the system (as a whole) that change or are
determined by the relationships between the
components of the system as it evolves
through time.
, Entity - Correct Answers -An object of interest in the system
whose movement or operation within the
system may cause the occurrence of events.
Attribute - Correct Answers -A property or variable that is associated with an entity.
Poisson Arrival Process - Correct Answers -Time
between
arrivals is
exponential
with mean
equal to 1/
arrival rate
ex. expo(1/vLambda)
IDENT - Correct Answers -attribute uniquely identifies entities currently in the model. No
two entities currently in the model have the same value for the IDENT
attribute.
Entity.SerialNumber - Correct Answers -attribute is also a unique number assigned to
an
entity when it is created; however, if the entity is ever duplicated (cloned)
in the model, the clones will have the same value for the
Entity.SerialNumber attribute.
Entity Module - Correct Answers -Entity data
module allows
the definition
of different
types of
entities and
facilitates
animation and
cost tabulation
for an entity
type.
Resource - Correct Answers -A limited quantity of items that are used (e.g., seized and
released) by entities as they proceed through the system. A resource has a capacity
that governs the total quantity of items that may be available. All the items in the
resource are homogeneous, meaning that they are indistinguishable. If an entity
attempts to seize a resource that does not have any units available, it must wait in a
queue.
Queue - Correct Answers -A location that holds entities when their movement is
constrained within the system.
CORRECT ANSWERS
System - Correct Answers -A set of inter-related components that act
together over time to achieve common objectives.
Parameters - Correct Answers -Quantities that are properties of the system
that do not change. These are typically quantities
(variables) that are part of the environment that the
modeler feels cannot be controlled or changed.
Parameters are typically model inputs in the form of
variables.
System State - Correct Answers -A "snap shot" of the system at a
particular point in time characterized by the values of the
variables that are necessary for determining the future
evolution of the system from the present time.
Event - Correct Answers -something that happens at
an instant in time which corresponds to
a change in object state.
Activity - Correct Answers -an operation that takes
time to complete. An activity is
associated with the state of an object
over an interval.
Process - Correct Answers -associated with an entity
and represents the sequence of states
that the entity experiences over a span.
Process Description - Correct Answers -describes the
general process that a entity
experiences as it moves through the
system.
Variables - Correct Answers -Quantities that are properties of
the system (as a whole) that change or are
determined by the relationships between the
components of the system as it evolves
through time.
, Entity - Correct Answers -An object of interest in the system
whose movement or operation within the
system may cause the occurrence of events.
Attribute - Correct Answers -A property or variable that is associated with an entity.
Poisson Arrival Process - Correct Answers -Time
between
arrivals is
exponential
with mean
equal to 1/
arrival rate
ex. expo(1/vLambda)
IDENT - Correct Answers -attribute uniquely identifies entities currently in the model. No
two entities currently in the model have the same value for the IDENT
attribute.
Entity.SerialNumber - Correct Answers -attribute is also a unique number assigned to
an
entity when it is created; however, if the entity is ever duplicated (cloned)
in the model, the clones will have the same value for the
Entity.SerialNumber attribute.
Entity Module - Correct Answers -Entity data
module allows
the definition
of different
types of
entities and
facilitates
animation and
cost tabulation
for an entity
type.
Resource - Correct Answers -A limited quantity of items that are used (e.g., seized and
released) by entities as they proceed through the system. A resource has a capacity
that governs the total quantity of items that may be available. All the items in the
resource are homogeneous, meaning that they are indistinguishable. If an entity
attempts to seize a resource that does not have any units available, it must wait in a
queue.
Queue - Correct Answers -A location that holds entities when their movement is
constrained within the system.
