 
			 
			MCQOPTIONS
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				| 1. | If the output of the system is \(y(n)=\sum_{k=-\infty}^nx(y)\) with an input of x(n) then the system will work as ___________ | 
| A. | Accumulator | 
| B. | Adder | 
| C. | Subtractor | 
| D. | Multiplier | 
| Answer» B. Adder | |