DFD
Quiz
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Computers
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University
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Practice Problem
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Medium
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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unlike data flow diagrams, which represent the physical components of an information system, system flowcharts can provide a more conceptual, non-physical display of the movement of data through a system.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In data flow diagrams, circles are used to represent processes that take data inflows and transform them to information outflows.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A general rule in data flow diagramming is that certain processes may have the same name.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A general rule in data flow diagramming is that any single data flow diagram should not have more than about eleven processes.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A data flow diagram should balance between levels. This refers to the fact that the level one DFD should have the same system inputs and outputs as the corresponding level zero DFD.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Flowcharts are biased toward representing the physical characteristics of the system, while data flow diagrams can omit the physical system attributes.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If an organization changes the format of its master files from magnetic tape to disk, and all other activity remains constant, that organization’s system flowchart need not be altered.
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