1first one is OR
and second is AND
10 Answers
621st one
[{(A.A)c . (B.B)c }.{(A.A)c . (B.B)c }]c
= [{Ac . Bc }]c
= {Ac . Bc }c
= A+B
24sir thoda explain karenge plzzzzz.......ye formula kya yaad karna padega?
24maine pure do saal semiconductors ko haath bhi nahin lagaya.........kal raat ko hi shuru kiya hai..isliye zyada knowledge nahin hai....[2][2]
1eureka . one Q buddy . are you comfortable with Boolean algebra ? it's not difficult total logic :) [1]
just go through this it's good enough.
http://en.wikipedia.org/wiki/Boolean_algebra_(logic)