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Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
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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 is the root of a tree?
💡 Hint: It's where the tree starts.
Question 2
Easy
What do you call a node without children?
💡 Hint: It's an endpoint in the tree.
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 the term 'root' refer to in tree structures?
- The bottom node
- The topmost node
- A node with children
💡 Hint: It's the first node you encounter.
Question 2
True or False: A leaf is a node that has at least one child.
- True
- False
💡 Hint: Consider what happens at the end of branches.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a tree structure to represent a corporate hierarchy, including at least three levels of employees. Describe the root, parent, and leaf nodes.
💡 Hint: Think about how responsibilities can be grouped under leaders.
Question 2
Evaluate how the height of a tree affects data retrieval efficiency. What could happen if the tree becomes imbalanced?
💡 Hint: Consider how a tall slim structure compares to a broad short one for reaching different data quickly.
Challenge and get performance evaluation