railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Discrete Time Signals and Systems
Which of the following options is true if discrete LTI system is represented by impulse response h[n]= (1/2)n u[n]?
1
The system is causal and stable
2
The system is non-causal and stable
3
The system is causal and unstable
4
The system is non-causal and unstable