What are the conditions for a system to be LTI system?

Related questions

1. What is discrete time LTI system?
2. What is impulse response and step response?
3. What are components of communication system?
4. Why is aliasing a problem?
5. What is time response of a system?
6. What is System in signal processing?
7. When a system is said to be stable?
8. What is 2nd order system?
9. What is order of a system?
10. How do you know if a system is causal?

Tags

1. #distributive
2. #impulse
3. #properties
4. #conditions
5. #invertibility
6. #causality
7. #memory
8. #specified
9. #associative
10. #response
11. #stability
12. #system
13. #commutative
14. #completely