17 terms

414 Ch 3

"The narratives, flowcharts, diagrams, and other written materials that explain how a system works."
Narrative Description
A written step-by-step explanation of system components and interactions.
Data Flow Diagram (DFD)
"A graphical description of the source and destination of data that shows data flow within an organization, the processes performed on the data, and how data are stored."
Document Flowchart
A graphical description of the flow of documents and information between departments or areas of responsibility within an organization.
System Flowchart
"A graphical description of the relationship among the input, processing, and output in an information system."
Program Flowchart
A graphical description of the sequence of logical operations that a computer performs as it executes a program.
Data Flow
"Represents the flow of data between processes, data stores, and data sources and destinations."
Represent the transformation of data.
Data Store
A temporary or permanent repository of data.
Context Diagram
Provides the reader with a summary-level view of a system.
"An Analytical technique used to describe some aspect of an information system in a clear, concise, and logical manner."
Flowcharting Template
Early flowchart supplies - hard plastic template (diecut)
Internal Control Flowcharts
Document flowcharts that describe and evaluate internal controls.
Input/Output Symbols
Devices or media that provide input to or record output from processing operations.
Processing symbols
Either shows what type of device is used to process data or indicate when processing is performed manually.
Storage Symbols
Device used to store data that the system is not currently using.
Flow and Misc. Symbols
"Indicate the flow of data and goods. May also include where data begins/ends, where decisions are made, and when to add explanatory flowcharts."