System Modeling
Replenishment date: 17.01.2024
Contents: Systems Modeling.pdf (125.4 KB)
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Description
Automatically obtaining the average response time of a closed-loop system to a user request is provided by nodes like...
Answer type: Single choice • with the choice of one correct answer from several proposed options
actor
term
serves
key
queue
In simulation models...
Answer type: Single choice • with the choice of one correct answer from several proposed options
only input and output flows of requests are simulated
the processes of functioning of the system under study are reproduced in compliance with the logical and time sequence
the passage of only one application through the system under study is simulated
the physical properties of the system under study are used
In the simplest flow...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
the interval between demands has a normal distribution
no aftereffect
the property of ordinaryness is observed
In the simplest flow, the probability of more than one request appearing in a small time interval...
Answer type: Single choice • with the choice of one correct answer from several proposed options
can be calculated using Poisson's formula
is specified as a parameter in addition to intensity
negligible
The procedure for simulating the occurrence of an event uses...
Answer type: Single choice • with the choice of one correct answer from several proposed options
pseudo-random number and the probability of an event occurring
the next value from pre-entered observation data about the occurrence of events of this type
value selected using special algorithms from data sets of special studies
In the Kolmogorov equations for the limiting probabilities of a Markov process with a discrete set of states and continuous time in ...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
The left side of the equation is the sum of the products of the probabilities of all states from which arrows go to the ith state and the intensity of the corresponding flows
on the left side of the equation is the sum of the intensities of all flows that take the system out of a given state, multiplied by the probability of a given state, taken with a minus sign
the right side of the equation is 0
the right side of the equation is 1
The time interval between failures of a large information system is subject to ... distribution
Answer type: Single choice • with the choice of one correct answer from several proposed options
uniform
exponential
triangular
normal
The graph of states and transitions of a single-channel queuing system with failures contains...
Answer type: Single choice • with the choice of one correct answer from several proposed options
one node
two nodes
three knots
four knots
Dispatching of actors in model nodes is carried out ... by the model developer
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
network operator
by calling special functions
C++ operators included in the model based on the analysis of the conditions and parameters of the actors
setting transition table parameters
To simulate a user or users in closed system models, a node is used...
Answer type: Single choice • with the choice of one correct answer from several proposed options
serves
queue
key
create
To model the operation of an enterprise, taking into account both material and financial flows, it is advisable to use...
Answer type: Single choice • with the choice of one correct answer from several proposed options
system dynamics model
simulation model with step-by-step mechanism
simulation model with an event mechanism
queuing theory model
Answer type: Single choice • with the choice of one correct answer from several proposed options
actor
term
serves
key
queue
In simulation models...
Answer type: Single choice • with the choice of one correct answer from several proposed options
only input and output flows of requests are simulated
the processes of functioning of the system under study are reproduced in compliance with the logical and time sequence
the passage of only one application through the system under study is simulated
the physical properties of the system under study are used
In the simplest flow...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
the interval between demands has a normal distribution
no aftereffect
the property of ordinaryness is observed
In the simplest flow, the probability of more than one request appearing in a small time interval...
Answer type: Single choice • with the choice of one correct answer from several proposed options
can be calculated using Poisson's formula
is specified as a parameter in addition to intensity
negligible
The procedure for simulating the occurrence of an event uses...
Answer type: Single choice • with the choice of one correct answer from several proposed options
pseudo-random number and the probability of an event occurring
the next value from pre-entered observation data about the occurrence of events of this type
value selected using special algorithms from data sets of special studies
In the Kolmogorov equations for the limiting probabilities of a Markov process with a discrete set of states and continuous time in ...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
The left side of the equation is the sum of the products of the probabilities of all states from which arrows go to the ith state and the intensity of the corresponding flows
on the left side of the equation is the sum of the intensities of all flows that take the system out of a given state, multiplied by the probability of a given state, taken with a minus sign
the right side of the equation is 0
the right side of the equation is 1
The time interval between failures of a large information system is subject to ... distribution
Answer type: Single choice • with the choice of one correct answer from several proposed options
uniform
exponential
triangular
normal
The graph of states and transitions of a single-channel queuing system with failures contains...
Answer type: Single choice • with the choice of one correct answer from several proposed options
one node
two nodes
three knots
four knots
Dispatching of actors in model nodes is carried out ... by the model developer
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
network operator
by calling special functions
C++ operators included in the model based on the analysis of the conditions and parameters of the actors
setting transition table parameters
To simulate a user or users in closed system models, a node is used...
Answer type: Single choice • with the choice of one correct answer from several proposed options
serves
queue
key
create
To model the operation of an enterprise, taking into account both material and financial flows, it is advisable to use...
Answer type: Single choice • with the choice of one correct answer from several proposed options
system dynamics model
simulation model with step-by-step mechanism
simulation model with an event mechanism
queuing theory model
Additional Information
To cancel the generation of actors while the model is running, use...Answer type: Single choice • with the choice of one correct answer from several proposed options
checks performed using C++ constructs
signal function customize
term node parameters
To obtain random numbers, the Pilgrim system model uses...
Answer type: Single choice • with the choice of one correct answer from several proposed options
one sensor for the entire model
several sensors, the number of which is specified by parameter
one sensor for each model node
one sensor for each actor in the model
The law and parameters for the distribution of time for a user to think about the system’s response to his request are usually set in ...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
parameters of actors simulating users
serve nodes simulating user work
global model variables
local model variables
The value of a random variable uniformly distributed over an arbitrary interval is obtained by applying...
Answer type: Single choice • with the choice of one correct answer from several proposed options
inverse function method
pseudorandom number uniformly distributed in the interval (0,1)
transition to sampling from an array of non-random numbers
The flow intensity is... the number of requests in the flow per unit time
Answer type: Single choice • with the choice of one correct answer from several proposed options
average
maximum possible
minimum possible
The pseudo-random numbers used in statistical testing models are...
Answer type: Single choice • with the choice of one correct answer from several proposed options
a pre-calculated set of values according to special rules
physical process indicator values recorded in observations
output data of a special program that meets special requirements
Decomposition in the Pilgrim system is...
Answer type: Single choice • with the choice of one correct answer from several proposed options
detailing a model graph node in the form of a collection of other nodes
exploring a model graph node by developing and running another model
splitting a set of input parameters into hierarchical subsets
splitting a set of output parameters into hierarchical subsets
The advantages of mathematical models include...
Answer type: Multiple choice • with the choice of several correct answers from the proposed options
versatility
ease of creation
economy
no requirements for the level of knowledge of the researcher
