Based on the adder-subtractor circuit:
B3
A3
B2
A2
B1
A1
Bo
A0
Ca
C
FA
FA
C2
Co
FA
FA
V
S3
S2
S1
S0
Using the values mode input M(1) and data inputs A(0000)
and B(0001), the values of SUM(S3S2S1S0), C, V are:
None
(1011),0,1,Respectively
(0001),1,1,Respectively
(1111),0,0,Respectively
(0100),1,0,Respectively
M