In Boolean algebra \(\left( {\overline {1 + 1} } \right).\left( {\overline {0 + 0} } \right) = ?\)

In Boolean algebra \(\left( {\overline {1 + 1} } \right).\left( {\ove

1.	In Boolean algebra \(\left( {\overline {1 + 1} } \right).\left( {\overline {0 + 0} } \right) = ?\)
A.	0
B.	1
C.	2
D.	-1
Answer» B. 1