In K-map reduction for 4-variables POS expression, the cell with addre

1.	In K-map reduction for 4-variables POS expression, the cell with address 0000 indicates:
A.	ABCD
B.	A + B + C + D
C.	A̅B̅C̅D̅
D.	A̅ + B̅ + C̅ + D̅
Answer» C. A̅B̅C̅D̅

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