Q.

Impulse response is the output of               system due to impulse input applied at time=0?

A. linear
B. time varying
C. time invariant
D. linear and time invariant
Answer» D. linear and time invariant
Explanation: impulse response is the output of lti system due to impulse input applied at time = 0 or n=0. behaviour of an lti system is characterised by the impulse response.
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