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Explaining with examples what Data Flow Diagrams (DFDs) are, with the different between Level 0 and Level 1 DFDs. The difference between these and Information Flow Diagrams (IFDs) is also explained.
This video is primarily designed for the written exam (Component 3: Effective Digital Working Practices) for the Pearson Edexcel BTEC Level 1/2 Tech Award in Digital Information Technology. Video #3 of D1.
For the ordered playlist of videos for the Edexcel BTEC DIT exam, see here:
• BTEC Digital Informati...