Which of the following pair of gates can form a latch?

1.	Which of the following pair of gates can form a latch?
A.	A pair of cross coupled OR
B.	A pair of cross copled AND
C.	A pair of cross coupled NAND
D.	A cross coupled NAND/OR
Answer» D. A cross coupled NAND/OR

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Which of the following pair of gates can form a latch?

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