Computer Science · System Analysis and Design
Which of the following most accurately describes the distinction between a 'Logical DFD' and a 'Physical DFD'?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Logical DFD and Physical DFD are interchangeable terms for the same diagramming technique at different zoom levels
- 2Logical DFD is prepared after Physical DFD to validate technical implementation
- 3Logical DFD applies only to manual systems; Physical DFD applies only to computerized systems
- 4Logical DFD shows what data flows and how it is processed conceptually; Physical DFD shows how data flow is technically implemented including hardware, software, and storage specifics✓
Correct answer
Logical DFD shows what data flows and how it is processed conceptually; Physical DFD shows how data flow is technically implemented including hardware, software, and storage specifics
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