Practice Lecture 25: Developing Dfd Models - From Context To Detailed Levels (8)
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Lecture 25: Developing DFD Models - From Context to Detailed Levels

Practice - Lecture 25: Developing DFD Models - From Context to Detailed Levels

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does a Level 0 DFD represent?

💡 Hint: Think about the broad view of a system.

Question 2 Easy

List the four basic components of a DFD.

💡 Hint: Consider the elements that depict how data moves.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of a Context Diagram?

To detail internal processes
To represent the system as a whole
To create data stores

💡 Hint: Think of it as a broad overview.

Question 2

True or False? A Level 1 DFD should include data flows and data stores.

True
False

💡 Hint: What elements form the next level of detail?

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a Context and Level 1 DFD for a campus registration system, identifying external entities and main processes. Ensure that you balance data flows throughout.

💡 Hint: What are the main functionalities of the registration system?

Challenge 2 Hard

Evaluate and critique an unbalanced DFD for an online retail system. Identify any errors in the data flows between the parent and child diagrams.

💡 Hint: Look at how data flows connect or disconnect between levels.

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Reference links

Supplementary resources to enhance your learning experience.