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14 Cards in this Set
- Front
- Back
3 documentation techniques |
Flowcharts Data Flow Diagrams Entity Relationship Diagram |
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Flowchart |
Symbolic diagram that shows the data flow and sequence of operations in a system Most common Physical system |
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2 Flowchart types |
System flowchart (important) Program flowchart (not important) |
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System flowchart |
Illustrate the relationship among processes and the documents that flow between Show separation of functions Put arrows on all lines |
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What does the flowchart show? |
Seg of duties Authorization Independent checks Creation of docs Process to update acct records |
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Symbols |
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Symbols |
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Computer Symbols |
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Data Flow Diagram |
Symbols to represent the processes, data sources, data flows, and entities in a system Not physical system |
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Symbols |
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DFD rules |
Process boxes has at least one input and output Process boxes must have verb Inputs must differ from output |
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DFD rules |
Data store, data flow and entities are nouns |
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Flow vs DFD |
DFD lines represent data and flowchart lines represent movement between processes and areas |
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Study the.. |
..posted examples online and instructions |