System Modeling Synergy
Replenishment date: 28.02.2023
Content: Systems Modeling (ANSWERS).docx (40.84 KB)
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Description
1. The main advantages of simulation models include ...
* profitability
*high accuracy of results
*simplicity of model development
* versatility of application
2. The value of a random variable uniformly distributed in an arbitrary interval is usually obtained using ...
*inverse function method
*transition to a selection from an array of non-random numbers
*pseudo-random number uniformly distributed in the interval (0,1)
3. An estimate of the probability of an event occurring based on the simulation results is obtained on the basis of ...
* building a distribution histogram
*use of special methods depending on the type of event
*comparison of simulation results with reference
*measured using software counters of the frequency of the event
4. In the Kolmogorov equations for the limiting probabilities of a Markov process with a discrete set of states and continuous time in ...
*the left side of the equation is the sum of the products of the probabilities of all states, from which the arrows go to the i-th state, by the intensities of the corresponding flows
*the left side of the equation is the sum of the intensities of all flows that bring the system out of a given state, multiplied by the probability of this state, taken with a minus sign
*the right side of the equation is 0
*the right side of the equation is 1
5. The maximum accuracy of the simulation results, expressed in the number of decimal places, is ...
*two
*four
*six
* eight
6. Pseudo-random numbers used in statistical test models are ...
*a set of values previously calculated according to special rules
*observed values of the physical process indicator
*output data of the work of a special program that meets special requirements
7. Pseudo-random numbers used in simulation models are ...
*observed values of the physical process indicator
*a set of values previously calculated according to special rules
*output data of the work of a special program that meets special requirements
8. The labeled graph of states and transitions of the Markov process contains ...
*nodes representing process states
*inscriptions with the values of the probabilities of transition to other states from the given state
*arrows indicating the possibility of transitions of the process to other states from this state *inscriptions with the values of the probabilities of transition to the same state
*arrows indicating the possibility of the process transition to the same state
9. The maximum accuracy of the simulation results in the Pilgrim system, expressed in the number of decimal places, is ...
* profitability
*high accuracy of results
*simplicity of model development
* versatility of application
2. The value of a random variable uniformly distributed in an arbitrary interval is usually obtained using ...
*inverse function method
*transition to a selection from an array of non-random numbers
*pseudo-random number uniformly distributed in the interval (0,1)
3. An estimate of the probability of an event occurring based on the simulation results is obtained on the basis of ...
* building a distribution histogram
*use of special methods depending on the type of event
*comparison of simulation results with reference
*measured using software counters of the frequency of the event
4. In the Kolmogorov equations for the limiting probabilities of a Markov process with a discrete set of states and continuous time in ...
*the left side of the equation is the sum of the products of the probabilities of all states, from which the arrows go to the i-th state, by the intensities of the corresponding flows
*the left side of the equation is the sum of the intensities of all flows that bring the system out of a given state, multiplied by the probability of this state, taken with a minus sign
*the right side of the equation is 0
*the right side of the equation is 1
5. The maximum accuracy of the simulation results, expressed in the number of decimal places, is ...
*two
*four
*six
* eight
6. Pseudo-random numbers used in statistical test models are ...
*a set of values previously calculated according to special rules
*observed values of the physical process indicator
*output data of the work of a special program that meets special requirements
7. Pseudo-random numbers used in simulation models are ...
*observed values of the physical process indicator
*a set of values previously calculated according to special rules
*output data of the work of a special program that meets special requirements
8. The labeled graph of states and transitions of the Markov process contains ...
*nodes representing process states
*inscriptions with the values of the probabilities of transition to other states from the given state
*arrows indicating the possibility of transitions of the process to other states from this state *inscriptions with the values of the probabilities of transition to the same state
*arrows indicating the possibility of the process transition to the same state
9. The maximum accuracy of the simulation results in the Pilgrim system, expressed in the number of decimal places, is ...
Additional Information
10. The result of applying the methodology of structural analysis in the Pilgrim system is ...*network model
*hierarchical model
*linear model
*unrelated model
11. It is advisable to use the event modeling algorithm if ...
* a model of production processes is built in real time
*only processes with continuous time are modeled
*only processes with discrete time are modeled
*requires maximum efficiency in the implementation of the software model for research
12. A process is called Markovian if the probability of transition to a new state is …
*is a function of the transition number
*depends only on the current state
*depends only on all previous conditions
*does not depend on the current state, nor on all previous ones
13. The simplest is a stream that has properties such as ...
*stationarity
* ordinary
*no aftereffect
*piecewise linear form of the distribution function
14. The method of statistical testing is most often used when ...
*there are no other methods for solving the problem
*requires high accuracy
* internal interactions in the system under study are unknown
*need to reduce total simulation time
15. The relative throughput of a queuing system with failures means ...
* the actual efficiency of the system compared to the maximum possible
*share of serviced applications out of the total number of those entering the system
*number of serviced requests for a certain period of observation
*number of serviced requests per unit of time
16. A random process is called a process with discrete states if ...
*possible process states can be listed (renumbered) one by one
*number of possible process states is finite
* the process can move from state to state only at certain moments
17. The charging circuit of the closed system model provides ...
*creation of special variables for automatic collection of output data
*configuring the parameters of nodes that mimic terminals or work computers of users
*configuring the parameters of nodes that simulate the processing of user requests
* the appearance at the beginning of the model of actors imitating users and the abolition of further generation of actors
18. It is advisable to describe the flight path of a rocket in an automated control system using ... a model
*graphic
*tabular
*analytical
*text
*structural
19. Decomposition in the Pilgrim system is ...
*detailing the model graph node in the form of a set of other nodes
*exploring a model graph node by developing and running another model
* splitting the set of input parameters into hierarchical subsets
* splitting the set of output parameters into hierarchical subsets
20. To obtain random numbers in the Pilgrim system model, ...
*one sensor per model transaction
*one sensor for the whole model
*one sensor for each node of the model
*several sensors, the number of which is set by the parameter
21. Flow ... can be considered the simplest
*subway trains
*polyclinic patients
*passengers to the ticket office
22. The methodology of structural analysis is ...
* consideration of a set of model indicators based on the selection of their logically related subsets
* system design by highlighting its subsystems and their sequential consideration
*replacement of the dynamic process model with a structurally related set of functional models
23. Automatic receipt of the average response time of a closed system to a user request is provided by nodes of the type ...
*actor
*term
*serve
* key
*queue
24. The intensity of the flow is called ... the number of applications in the flow per unit of time
*average
*maximum possible
*minimum possible
25. To model the operation of an enterprise, taking into account both material and financial flows, it is advisable to use ...
*system dynamics model
*simulation model with step-by-step mechanism
* simulation model with an event mechanism
*Maud
