Q:

How is the discrete time impulse function defined in terms of the step function?

A) d[n] = u[n+1] – u[n]. B) d[n] = u[n] – u[n-2].
C) d[n] = u[n] – u[n-1]. D) d[n] = u[n+1] – u[n-1].
 

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