1. What does CPU stand for?

2. What is the chemical symbol for water?

3. Which planet is known as the Red Planet?

4. What does HTTP stand for?

5. DNA stands for?

6. What is the speed of light in vacuum (approx)?

7. RAM stands for?

8. Who invented the telephone?

9. Which element has the atomic number 1?

10. What is the unit of electrical resistance?

11. Primary gas in Earth’s atmosphere?

12. Programming language known as the backbone of the web?

13. Powerhouse of the cell?

14. Gravitational acceleration on Earth?

15. Technology used in cryptocurrency?

16. What has natural satellites called moons?

17. Main gas responsible for greenhouse effect?

18. USB stands for?

19. Largest organ in the human body?

20. Which is not a programming language?

21. Device that converts digital to analog signals?

22. Who developed the theory of relativity?

23. Which unit measures computer data?