Exam 5: Data and Process Modeling

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Leveling _____.

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Balancing _____.

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Using _____, an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail.

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  -In a data flow diagram (DFD), a gray hole is a process that has _____. -In a data flow diagram (DFD), a gray hole is a process that has _____.

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Matching ​Identify the letter of the choice that best matches the phrase or definition. -Documentation of all data flows along with documenting each data element

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In a data dictionary, _____ refers to whether the data element contains numeric, alphabetic, or character values.

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When a context diagram is expanded into data flow diagram (DFD) diagram 0, all the connections that flow into and out of process 0 must be retained.

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In a data flow diagram (DFD), the Gane and Sarson symbol for a data store is a _____.

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Matching ​Identify the letter of the choice that best matches the phrase or definition. -Shows what the system must do, regardless of how it will be implemented

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Deciding whether to explode a process further or determine that it is a functional primitive is a matter of experience, judgment, and interaction with programmers who must translate the logical design into code.

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In a data dictionary, _____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element.

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If processes must be performed in a specific sequence, the information should be documented in the _____.

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In the accompanying figure, the sequence structure is the completion of _____.

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Matching ​Identify the letter of the choice that best matches the phrase or definition. -A data structure that contains a set of related data elements that are stored and processed together

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In a data dictionary, a(n) _____ is the smallest piece of data that has meaning within an information system.

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_____ is based on combinations of the three logical structures, or control structures (one of which is shown in the accompanying figure), which serve as building blocks for the process.

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Leveling isalso called _____.

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A _____ is a central storehouse of information about a system's data.

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In a data flow diagram (DFD), the Gane and Sarson symbol for an entity is a ____.

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  -In a data flow diagram (DFD), a spontaneous generation process is a process that has _____. -In a data flow diagram (DFD), a spontaneous generation process is a process that has _____.

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