What is the difference between a pseudo random number and a truly random number?

Related questions

1. How do computers generate random numbers?
2. Is RNG really random?
3. Can humans generate random numbers?
4. Can you pick a random number?
5. Is quantum physics truly random?
6. Can random numbers predict?
7. What is number generator?
8. What is the most common random number between 1 and 10?
9. Why is 11 not a prime number?
10. Can randomness be predicted?

Tags

1. #difference
2. #looks
3. #tests
4. #pseudo
5. #numbers
6. #stream
7. #random
8. #similar
9. #gives
10. #statistical
11. #number
12. #enough
13. #generate
14. #truly
15. #generator