Bp Exam 2 - Documenting The Ais

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3 documentation techniques

Back 1

Flowcharts

Data Flow Diagrams

Entity Relationship Diagram

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Flowchart

Back 2

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

Back 3

System flowchart (important)

Program flowchart (not important)

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System flowchart

Back 4

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?

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Seg of duties

Authorization

Independent checks

Creation of docs

Process to update acct records

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Symbols

Back 6

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Symbols

Back 7

Front 8

Computer Symbols

Back 8

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Data Flow Diagram

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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

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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

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Data store, data flow and entities are nouns

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Flow vs DFD

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DFD lines represent data and flowchart lines represent movement between processes and areas

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Study the..

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..posted examples online and instructions