IS 414 CH. 3 (VOCAB) 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 design
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 IS in a clear, concise, and logical manner
Document flowchart
Illustrates that 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
