The full subtractor (also subtracter) is a device that accepts three inputs: , y, and b_in and 1. produces two outputs: b_out and d according to the truth table shown in Table1.2. Table 1.2: The truth table of a full subtractor. x y b_in b_out d 000 0 0 0 0 1 1 1 0 1 0 1 1 0 1 1 1 0 100 0 1 1 0 1 0 0 1 1 0 0 0 1 1 1 1 4. (Behavioral Style) (a) Write a Verilog HDL module to describe the full subtractor obtained from table 1.2 in behavioral style. 1