Practice Lecture 24: Basics Of Data Flow Diagrams (dfd) - The Language Of Data Flow (7)
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Lecture 24: Basics of Data Flow Diagrams (DFD) - The Language of Data Flow

Practice - Lecture 24: Basics of Data Flow Diagrams (DFD) - The Language of Data Flow

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a Data Flow Diagram?

💡 Hint: Think about how data moves in a system.

Question 2 Easy

What symbol represents data storage in a DFD?

💡 Hint: Think about where data is 'kept'.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a Data Flow Diagram represent?

The coding structure of a software program.
The flow of data within a system.
The physical layout of a database.
The hardware components used in IT.

💡 Hint: Focus on what DFDs depict.

Question 2

True or False: A process in a DFD can have no inputs.

True
False

💡 Hint: Consider what would happen to a process with no input.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a DFD for an online bookstore that includes processes for 'Browse Inventory,' 'Place Order,' and 'Process Payment.' Identify data flows and any external entities.

💡 Hint: Think about how the bookstore interacts with customers and payment methods.

Challenge 2 Hard

Evaluate the following DFD and identify the violations of DFD rules that may exist, including black holes or improper data flow directions.

💡 Hint: Consider applying the rules we discussed during class.

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