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 skillsβperfect 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 LED stand for?
π‘ Hint: Remember the term relates to light.
Question 2
Easy
In what year was the first visible LED invented?
π‘ Hint: It's the same year Nick invented it!
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 LED stand for?
- Light Emitting Device
- Light Emitting Diode
- Low Energy Device
π‘ Hint: Focus on the function of the device related to light.
Question 2
True or False: The first visible LED was invented in 1972.
- True
- False
π‘ Hint: Remember the important year related to the invention.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an experiment to compare the energy consumption of an LED bulb versus an incandescent bulb. What factors would you measure?
π‘ Hint: Consider both qualitative and quantitative metrics in your comparison.
Question 2
Evaluate how the invention of LEDs has influenced modern technology in personal electronics.
π‘ Hint: Think of the various devices you use daily and how they benefit from LED technology.
Challenge and get performance evaluation