1.

The impulse response of a linear time invariant system is h(n) = {1, 2, 1, -1}. The response for the input signal x(n) = {1, 2, 3, 1} is

A. {1, 8, 4, 8, 3, -1, -2}
B. {1, 4, 8, 3, 8, -2, -2}
C. {1, 4, 8, 8, 3, -2, -1}
D. {1, 8, 3, 8, 8, 4, -1}
Answer» D. {1, 8, 3, 8, 8, 4, -1}


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