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8 Cards in this Set
- Front
- Back
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Logical DFD definition
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graphical representation of a system showing the system’s processes (as bubbles), data stores, and the flows of data into and out of the processes and data stores.
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Logical DFD vs Physical DFD
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Logical DFD portrays a system’s activities, whereas a physical DFD depicts a system’s infrastructure.
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Physical DFD
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graphical representation of a system showing the system’s internal and external entities, and the flows of data into and out of these entities.
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Logical DFD function
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represent the logical nature of a system—what tasks the system is doing— without having to specify how, where, or by whom the tasks are accomplished
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Physical DFD function
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specifies where, how, and by whom a system’s processes are accomplished
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Script Patterns
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a sequence of events that occur in combination with each other.
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Primary Departments within sales order function
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warehousing, sales order, shipping, and credit
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IS Control design influences
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authorization
access controls segregation of roles application controls |
