Below is the truth table for a 1-bit half adder. A B Sum Carry 0 0 0 0 0 1 1 0 1 0 1 0 1 1 0 1 The adder has two inputs (A and B) and two outputs (Sum and Carry). Draw a logic circuit that implements this behaviour. An 8-bit incrementer takes a binary number on 8 inputs, and puts the result of adding 1 to the number on 8 outputs. The incrementer can be implemented with eight 1-bit half adders. Draw a circuit for the incrementer, and explain how it works. (Hint: use 1-bit half adders as the elements of the circuit you do not need to draw the component logic gates). Where in a computer might you expect to find incrementer circuits?