What is difference between continuous and discrete signal?

Related questions

1. What does time invariant mean?
2. Why do we substitute's JW?
3. What is meant by continuous signal?
4. What does it mean for a system to be causal?
5. Why is aliasing a problem?
6. What is continuous time system?
7. What is time response of a system?
8. What makes a system LTI?
9. What is order of a system?
10. What is causal system and Noncausal system?

Tags

1. #added
2. #characteristically
3. #considered
4. #signal
5. #difference
6. #counterpart
7. #analog
8. #natural
9. #noise
10. #representation
11. #valleys
12. #discrete
13. #continuous
14. #smooth
15. #signals
16. #between
17. #transitions
18. #order
19. #peaks