2.7 Using diagrams in digital support
2.7.1 Understand data flow diagrams (DFD), their purpose, and when they are used.
2.7.2 Know and understand how data flow is expressed in DFDs:
• data sources
• data destinations
• processes
• data stores
• arrows
• labels.
See symbols in Appendix 2.
2.7.3 Be able to interpret DFDs that represent systems.
2.7.4 Be able to create and complete DFDs that represent systems.
2.7.5 Understand information flow diagrams and their purpose and when they are used.
2.7.6 Know and understand how information flow is expressed in information flow diagrams:
• boxes
• arrows
• labels.
See symbols in Appendix 2.
2.7.7 Be able to create and complete information flow diagrams to represent systems.
2.7.8 Be able to interpret information flow diagrams that represent systems
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