For a NAND gate, struck-at 1 fault in second input line cannot be dete

1.	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» C. Q changes from 1 to 0

Discussion