Minecraft Logic Gates

And

Design	A	B	C	D	E	F
Size	2x2x3	3x2x2	2x1x3	4x5x1	5x3x1	1x2x3
Torches	3	3	0	3	3	0
Redstone	1	2	0	1	2	0
Repeaters	0	0	1	0	1	0
Sticky pistons	0	0	1	0	0	1

Not

Design	A	B
Size	2x1x1	2x4x1
Torches	1	1
Redstone	0	2
Input isolated?	Yes	???
Output isolated?	Yes	???

Or

Design	A	B	C	D	E
Size (width (x) x height (y) x length (z))	1x1x1	3x2x1	(2n-1)x1x2	3x3x1	1x2x(n-1 when > 2)
Torches	0	2	0	2	0
Redstone	1	1	(2n-1)	4	(n - 1)
Inputs isolated?	No	Yes	Yes	Only A (and B if using repeater)	yes
Output isolated?	No	Yes	Yes	Only from A (both if using repeater)	yes
Max inputs	3	3	n	2	n

You can find the actual block design on Here!