Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does DFD stand for?
💡 Hint: Think about how data flows are represented visually.
Question 2
Easy
What is the purpose of a Context Diagram?
💡 Hint: Remember, it's the highest-level view.
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 process in a DFD represent?
- A data storage location
- An active function transforming data
- An external interaction point
💡 Hint: Think of what actions are being performed in a system.
Question 2
True or False: A Level 0 DFD shows detailed internal processes.
- True
- False
💡 Hint: Remember what the highest-level diagram looks like.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are tasked with modeling a bank transaction system using DFDs. How would you ensure all customer interactions and data flows are accurately represented in a multi-level DFD?
💡 Hint: Remember to sketch each level and check for consistency.
Question 2
Create a DFD for a library management system, specifying how to represent new book arrivals and checkouts including error handling.
💡 Hint: Focus on the user interactions and system responses.
Challenge and get performance evaluation