A Data Flow Diagram Is Used by Systems Professionals to Show

question 6

Multiple Choice

A Data Flow Diagram is used by systems professionals to show the logical design of a system.The advantage of the method is that it uses only four symbols.The symbol used to represent a data store or the storage of data is a(n) :

• A)Rectangle with rounded corners
• B)Open-ended rectangle
• C)Arrow
• D)Rectangle with squared corners

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Definitions:

Supply And Demand

Economic model describing the interaction between the availability of a product (supply) and the desire for that product (demand).

Static Time-Series Method

A forecasting technique that assumes past data patterns will continue into the future without adjusting for dynamic changes.

Historical Data

Past information and data used to analyze trends, forecast future events, and make informed decisions.

Highly Variable

Characterized by large changes or fluctuations, often unpredictably.