Half adder
It Perform I bit binary addition Half adder Consist two Ilp and two ofp
Half
Sym. 'S'
Adder
Carry 'C'
Truth table
'S'
Sum
Carry
NOTE→ Using 'S' NAND we Can design H.A.
Using NOR:-
HA S= Y
Add and Compliment
C= Y
S = xy+ny
S = xy+279
S = xy+x+y
It is H.A bcoz it does not perform Complete add" is if zid Carry Comes than and will not happen. A