MCQOPTIONS
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| 1. |
Which of the following system is both causal and stable? |
| A. | y[n] = x[n] + x[n – 1] + x[n + 1] |
| B. | 2y[n] – y[n – 1] = 2 x[n] |
| C. | y[n] – 2y[n – 1] = x[n] |
| D. | y[n] + 2y[n – 1] = x[n] |
| Answer» C. y[n] – 2y[n – 1] = x[n] | |