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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
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'.
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 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.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation