10/20 上課教學-1

module A01_4_Unit (y_out,x_in1,x_in2,x_in3,x_in4);
input x_in1,x_in2,x_in3,x_in4;output y_out;
wire y1,y2;

and #1(y1,x_in1,x_in2);
and #1(y2,x_in3,x_in4);
nor #1(y_out,y1,y2);
endmodule