Practice The Four Basic Symbols Of Dfd (yourdon-demarco Notation - Commonly Used In Nptel) (7.2)
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The Four Basic Symbols of DFD (Yourdon-DeMarco Notation - Commonly Used in NPTEL)

Practice - The Four Basic Symbols of DFD (Yourdon-DeMarco Notation - Commonly Used in NPTEL)

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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?

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

Discuss the potential pitfalls of using ambiguous labels in DFDs and how this affects clarity.

💡 Hint: Consider how labels impact communication in diagrams.

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Reference links

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