Exam 7: Structuring System Process Requirements

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Calculating an employee's salary is represented on a data flow diagram as a:

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Data flow diagrams are useful for modeling processes in __________.

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If your DFD contains data flows that do not lead anywhere,then your DFD violates the __________ guideline.

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When constructing data flow diagrams,you should show the interactions that occur between sources and sinks.

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The decomposition of Process 1.1 is shown on a level-1 diagram.

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Inefficiencies cannot be identified by studying DFDs.

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An individual wishes to withdraw cash from an ATM machine.Prepare a decision table to represent this situation.Please note any assumptions that you make.

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A __________ is the lowest level of decomposition for a data flow diagram.

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__________ is an iterative process of breaking the description of a system down into finer and finer detail,which creates a set of charts in which one process on a given chart is explained in greater detail on another chart.

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The extent to which all necessary components of a data flow diagram have been included and fully described refers to:

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Match each of the following terms with its corresponding description. -The part of the decision table that lists the actions that result for a given set of conditions.

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Condition stubs are that part of a decision table that lists the actions that result for a given set of conditions.

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What is process modeling? Identify three types of process models.

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The decomposition of Process 2.4.3.4 is shown on a level-4 diagram.

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Double-ended arrows are used to represent data flowing in both directions.

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DFD cohesion means your DFDs include all of the necessary components for the system you are modeling.

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Briefly describe the data flow diagramming symbols.Provide one example of each.

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Decision tables support nested conditions.

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The lowest-level data flow diagrams are called level-0 diagrams.

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Which of the following is not one of the four types of data flow diagrams?

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