Physics · Signals and Systems
A system is defined as causal if ________.
- 1The output depends on future values of the input.
- 2The output depends only on present and past values of the input.✓
- 3The output depends only on future values of the output.
- 4The system's impulse response is non-zero for t < 0.
Correct answer
The output depends only on present and past values of the input.
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