AIS Ch. 3 Flashcards
Documentation
Narratives, flowcharts, diagrams, and other written materials that explain how a system works.
Narrative Description
Written, step-by-step explanation of system components and how they interact.
Data Flow Diagram (DFD)
A graphical description of the flow of data within an organization, including data sources/destinations, data flows, transformation processes, and data storage.
Data Source
The entity that produces or sends the data that is entered into a system.
Data Destination
The entity that receives data produced by a system.
Data Flow
The movement of data among processes, stores, sources, and destinations.
Process
The action that transforms data into other data or information.
Data Store
The place or medium where system data is stored.
Context Diagram
Highest-Level DFD; a summary-level view of a system, showing the data processing system, its input(s) and output(s), and their sources and destinations.
Flowchart
An analytical technique that uses a standard set of symbols to describe pictorially some aspect of an IS in clear, concise, and logical manner.
Document Flowchart
Illustrates the flow of documents and data among areas of responsibility within an organization.
Internal Control Flowchart
Used to describe, analyze, and evaluate internal controls, including identifying system strengths, weaknesses, and inefficiencies.
System Flowchart
Depicts the relationships among system input, processing, storage, and output.
Program Flowchart
Illustrates the sequence of logical operations performed by a computer in executing a program.
Business Process Diagram
A visual way to describe the different steps or activities in a business process.
