A Data Flow Diagram Is Used by Systems Professionals to Show

question 88

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 the flow 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:

Trend

A general direction in which something is developing or changing.

Historical Analogy

A method of reasoning or decision-making based on the assumption that current situations will resemble past ones.

Questionnaires

A tool used in studies that includes various questions designed to collect data from participants.

Holt-Winters Multiplicative Model

A forecasting technique that models time series data with seasonal variations using a multiplicative method to capture trend and seasonality.