How do you plan to solve it?
module bitwise_ops_demo ( input [3:0] A, 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