What is the maximum output of the sum in a half-adder?

Find the result of 0101 – 1101 using 2’s complement.

Find the result of 1101 – 0100 using 2’s complement.

Find the result of 1010 – 1001 using 1’s complement.

Overflow occurs in 1000 – 0011 using 2’s complement.

Express f(A, B, C, D) = AB’C + AC’D around variable C using Shannon’s formula.

Full-adders are used in ripple-carry adders.

Find the result of 0111 – 1011 using 2’s complement.

Find the result of 1000 – 0010 using 2’s complement.

What is the purpose of the carry-in input in a full-adder?