How do you plan to solve it?
module bitwise_ops_demo( input [3:0] A , input [3:0] B , output [3:0] AND_OUT, OR_OUT , XOR_OUT , XNOR_OUT ); assign AND_OUT = A & B ; assign OR_OUT = A | B ; assign XOR_OUT = A ^ B ; assign XNOR_OUT = ~ (A ^ B) ; endmodule