Understanding Data and Information Flow

What symbol is used to represent a process in a Data Flow Diagram?

• Rectangle

• Circle

• Diamond

• Arrow

Which of the following is a type of information flow?

• Sequential

• Random

• Cyclical

• Parallel

What is a key principle of flowchart design?

• Use as many symbols as possible

• Keep it simple and clear

• Avoid using arrows

• Use only one type of symbol

What does a Data Flow Diagram Level 0 represent?

• Detailed processes

• High-level overview

• User interactions

• Data storage

Which symbol in a flowchart represents a decision point?

• Oval

• Rectangle

• Diamond

• Arrow

How does a flowchart differ from a Data Flow Diagram?

• Flowcharts show data movement, DFDs show process steps

• Flowcharts show process steps, DFDs show data movement

• Both show data movement

• Both show process steps

What is the purpose of information flow analysis?

• To create complex diagrams

• To identify data storage locations

• To understand how information moves within a system

• To design user interfaces

Which symbol in a Data Flow Diagram represents data storage?

• Rectangle

• Open-ended rectangle

• Circle

• Arrow

What type of information flow involves data moving back and forth between two points?

• Sequential

• Bidirectional

• Unidirectional

• Cyclical

In flowchart design, what does an arrow typically represent?

• A process

• A decision

• The flow of control

• Data storage