 
			 
			MCQOPTIONS
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				| 1. | A discrete time signal, which is both linear and time invariant has an impulse response is u[n]. What is the response of the system for an input δ[n - 4]? | 
| A. | u[n - 2] | 
| B. | u[n - 4] | 
| C. | u[n + 2] | 
| D. | u[n + 4] | 
| Answer» C. u[n + 2] | |