Practice - Lecture 24: Basics of Data Flow Diagrams (DFD) - The Language of Data Flow
Practice Questions
Test your understanding with targeted questions
What is a Data Flow Diagram?
💡 Hint: Think about how data moves in a system.
What symbol represents data storage in a DFD?
💡 Hint: Think about where data is 'kept'.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a Data Flow Diagram represent?
💡 Hint: Focus on what DFDs depict.
True or False: A process in a DFD can have no inputs.
💡 Hint: Consider what would happen to a process with no input.
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Challenge Problems
Push your limits with advanced challenges
Design a DFD for an online bookstore that includes processes for 'Browse Inventory,' 'Place Order,' and 'Process Payment.' Identify data flows and any external entities.
💡 Hint: Think about how the bookstore interacts with customers and payment methods.
Evaluate the following DFD and identify the violations of DFD rules that may exist, including black holes or improper data flow directions.
💡 Hint: Consider applying the rules we discussed during class.
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Reference links
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