PDA

View Full Version : Adder

chipmunk22
Dec8-06, 06:33 AM
Does anyone know how to use 4-bit parallel adders to perform 2Cs' subtraction? Thanks.
waht
Dec8-06, 09:10 AM
Just complement one input with inverters and add it to the other input.
chipmunk22
Dec14-06, 12:21 AM
oh i see. Thks!