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 diagrams that show processes and data movement.
Question 2
Easy
Name one common error in DFDs.
💡 Hint: What term describes a process with no outputs?
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 is the primary purpose of a DFD?
- To show data flow
- To indicate timing sequences
- To describe hardware usage
💡 Hint: Think about what aspects of a system DFDs highlight most prominently.
Question 2
True or False: A black hole has no outputs.
- True
- False
💡 Hint: Is it possible for data to enter and not come out?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a complex DFD, analyze and identify any existing black holes and suggest corrections.
💡 Hint: Refer back to each process and check if there's a logical result.
Question 2
Construct a Context Diagram and a Level 1 DFD for an online ticket booking system, including necessary data stores.
💡 Hint: Think about who uses the ticket system and what processes occur.
Challenge and get performance evaluation