2 votes 2 votes If $A$ and $B$ are the inputs to a half adder, a half subtractor. $X$ and $Y$ are the Sum and Difference and $\mathrm{C}$ is a Carry of a Half adder and $D$ is a borrow of a Half subtractor. $X \oplus Y$ and $C \odot D$ respectively $0, B$ $1, \mathrm{B}$ $1, B^{\prime}$ $0, B^{\prime}$ Digital Logic goclasses2024-dl-2-weekly-quiz goclasses digital-logic combinational-circuit adder 2-marks + – GO Classes asked May 27, 2022 • edited Aug 24, 2023 by Lakshman Bhaiya GO Classes 301 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes for Half Adder $\Rightarrow$ Sum $X=A$ xor $B, \quad$ Carry $C=A B$ for half Subtractor $\Rightarrow$ Difference $Y=A$ xor $B$, Borrow $D=A ' B$ So, $(X$ xor $Y)=0$ and $(C$ xnor $D)=B^{\prime}$ GO Classes answered May 27, 2022 GO Classes comment Share Follow See 1 comment See all 1 1 comment reply saheb sarkar1997 commented Sep 12, 2022 reply Follow Share CxnorD=(AB)’A’B +(AB)(A’B)’ =(A’+B’)A’B +(AB)(A+B’) =(A’B+AB) =B(A’+A) =B sir, I think the answer will be A 0 votes 0 votes Please log in or register to add a comment.
