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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a Data Flow Diagram (DFD) represent?
💡 Hint: Think about the basic purpose of a diagram.
Question 2
Easy
What is a black hole in DFD terms?
💡 Hint: Consider the missing output for a process.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main purpose of a Data Flow Diagram?
- To show data storage
- To represent data flow
- To analyze system performance
💡 Hint: Reflect on its primary function.
Question 2
True or False: A god sink in a DFD indicates that data is coming from nowhere.
- True
- False
💡 Hint: Think about the definition of inputs and outputs.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a Level 0 DFD for a new online banking system, including at least three external entities.
💡 Hint: Map the flow of data between them clearly.
Question 2
Given a DFD with identified black holes and god sinks, restructure the model to eliminate these errors.
💡 Hint: Review the entire flow of data carefully.
Challenge and get performance evaluation