Practice Lecture 26: Examples Of Dfd Model Development (practical Application - Part I) (3)
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Lecture 26: Examples of DFD Model Development (Practical Application - Part I)

Practice - Lecture 26: Examples of DFD Model Development (Practical Application - Part I)

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

Supplementary resources to enhance your learning experience.