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1. |
How many test patterns are required to test the circuit using counters? |
A. | 2<sup>n</sup> |
B. | 2<sup>(n-1) </sup> |
C. | 2<sup>n</sup> -1 |
D. | 2<sup>n</sup> +1 |
Answer» B. 2<sup>(n-1) </sup> | |