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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What symbol represents a transformation in a DFD?
💡 Hint: Think about what shape indicates an activity.
Question 2
Easy
What do data flows represent in a DFD?
💡 Hint: Consider the directional arrows.
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 shape is used to represent a process in a DFD?
- Circle or Oval
- Square
- Rectangle
💡 Hint: Think of the transformation activity!
Question 2
True or False: Data stores can interact directly with external entities in a DFD.
- True
- False
💡 Hint: Who connects external entities to data stores?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a DFD for a library system showing how books are checked out, returned, and cataloged. Include at least three processes and label all data stores and external entities.
💡 Hint: Break down each action into manageable processes.
Question 2
Discuss the potential pitfalls of using ambiguous labels in DFDs and how this affects clarity.
💡 Hint: Consider how labels impact communication in diagrams.
Challenge and get performance evaluation