1. Determine the Boolean expressions for the I-bit full adder and draw the circuit diagram.
2. A 2-bit adder has the carry-in bit Cin=1. What are the sum S and the carry-out bit Cout if A = Cout A1A0=0 and B=B1B0=10? Indicate all variable values in the circuit below.
A1 B1
A0 B0
FA
C1
Cin
FA
4
4
IS
so