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Q. |
For a NAND gate, struck-at 1 fault in second input line cannot be detected if |
A. | q is 1 |
B. | q is 0 |
C. | q changes from 1 to 0 |
D. | q changes from 0 to 1 |
Answer» B. q is 0 | |
Explanation: in a nand gate, struck-at 1 fault in the second input line cannot be detected if the output q is reset (q=0) prior to applying the test sequence. |
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