1. A goal of many waiting line problems is to help a firm find the ideal level of services that minimize the cost of waiting and the cost of providing the service.True False
2. Queuing theory had its beginning in the research work of ________. Albert EinsteinA.K. ErlangJ.K. RowlingP.K. PoissonA.K. Cox
3. The initial state of a queuing system (for example, when a restaurant first opens), is referred to as the ________ state. steadyprimaryintroductorytransientstart-up
4. Arrivals are random when they are dependent on one another and can be predicted. True False
5. A(n) ________ state is the normal operating condition of the queuing system. primarytransientNOCbalancedsteady
6. Simulation of a business or process is generally performed by building a mathematical model to represent the process or system. True False
7. The following is not an advantage of simulation: It allows for the study of what-if questions.Each simulation model is unique.It allows the study of interaction of components or variables to determine which are important.It allows time compression.None of the above
8. The study of waiting lines is called queuing theory. True False
9. Simulation models can be broken down into which of the following three categories? Monte Carlo, queuing, and inventoryqueuing, inventory, and maintenance policyMonte Carlo, operational gaming, systems simulationinventory, systems simulation, and operational gamingNone of the above
10. The logic in a simulation model is presented graphically through which of the following? scatterplotflowchartblueprintdecision treeNone of the above
11. The process of comparing a model to the real system that it represents to make sure it is accurate is called validation.verification.simulation.experimentation.None of the above
12. A bank with a single queue to move customers to several tellers is an example of a single-channel system. True False
13. Simulation can be effectively used in many inventory problemsplant layout problemsmaintenance policy problems.sales forecasting problems.All of the above
14. Simulation of maintenance problems can help management analyze various staffing strategies based on machine downtime and labor cost. True False
15. The advantage of simulation over queuing or waiting line models is that simulation allows us to relax our assumptions regarding arrival and service distributions.True False
16. A flow diagram is helpful in the logical coding procedures for programming a simulation process. True False
17. The four disadvantages of simulation are cost, its trial-and-error nature, time compression, and uniqueness. True False
18. An automatic car wash is an example of a constant service time model. True False
19. In queuing analysis, total expected cost is the sum of expected ________ plus expected service costs, arrival costsfacility costs, calling costscalling cost, inventory costscalling costs, waiting costsservice costs, waiting costs
20. An arrival in a queue that reneges is one who after joining the queue, becomes impatient and leaves.refuses to join the queue because it is too long.goes through the queue, but never returns.jumps from one queue to another, trying to get through as quickly as possible.None of the above
21. The three major characteristics of the input source that generates arrivals or customers for the service system are ________. size, demographics, and behaviorsize, pattern, and behaviordemographics, pattern, and behaviorsize, demographics, and patternNone of the above
22. Most systems use a queue discipline known as ________. shortest processing timelongest processing timeFIFOearliest due datecritical ratio
23. Monte Carlo simulation was developed as a quantitative technique by the great mathematician John von Neumann during World War I.True False1. A goal of many waiting line problems is to help a firm find the ideal level of services that minimize the cost of waiting and the cost of providing the service.True False2. Queuing theory had its beginning in the research work of ________. Albert EinsteinA.K. ErlangJ.K. RowlingP.K. PoissonA.K. Cox3. The initial state of a queuing system (for example, when a restaurant first opens), is referred to as the ________ state. steadyprimaryintroductorytransientstart-up4. Arrivals are random when they are dependent on one another and can be predicted. True False5. A(n) ________ state is the normal operating condition of the queuing system. primarytransientNOCbalancedsteady6. Simulation of a business or process is generally performed by building a mathematical model to represent the process or system. True False7. The following is not an advantage of simulation: It allows for the study of what-if questions.Each simulation model is unique.It allows the study of interaction of components or variables to determine which are important.It allows time compression.None of the above8. The study of waiting lines is called queuing theory. True False9. Simulation models can be broken down into which of the following three categories? Monte Carlo, queuing, and inventoryqueuing, inventory, and maintenance policyMonte Carlo, operational gaming, systems simulationinventory, systems simulation, and operational gamingNone of the above10. The logic in a simulation model is presented graphically through which of the following? scatterplotflowchartblueprintdecision treeNone of the above11. The process of comparing a model to the real system that it represents to make sure it is accurate is called validation.verification.simulation.experimentation.None of the above12. A bank with a single queue to move customers to several tellers is an example of a single-channel system. True False13. Simulation can be effectively used in many inventory problemsplant layout problemsmaintenance policy problems.sales forecasting problems.All of the above14. Simulation of maintenance problems can help management analyze various staffing strategies based on machine downtime and labor cost. True False15. The advantage of simulation over queuing or waiting line models is that simulation allows us to relax our assumptions regarding arrival and service distributions.True False16. A flow diagram is helpful in the logical coding procedures for programming a simulation process. True False17. The four disadvantages of simulation are cost, its trial-and-error nature, time compression, and uniqueness. True False18. An automatic car wash is an example of a constant service time model. True False19. In queuing analysis, total expected cost is the sum of expected ________ plus expected service costs, arrival costsfacility costs, calling costscalling cost, inventory costscalling costs, waiting costsservice costs, waiting costs20. An arrival in a queue that reneges is one who after joining the queue, becomes impatient and leaves.refuses to join the queue because it is too long.goes through the queue, but never returns.jumps from one queue to another, trying to get through as quickly as possible.None of the above21. The three major characteristics of the input source that generates arrivals or customers for the service system are ________. size, demographics, and behaviorsize, pattern, and behaviordemographics, pattern, and behaviorsize, demographics, and patternNone of the above22. Most systems use a queue discipline known as ________. shortest processing timelongest processing timeFIFOearliest due datecritical ratio23. Monte Carlo simulation was developed as a quantitative technique by the great mathematician John von Neumann during World War I.True False