'include "predefined/xor_gate.v" module nor_tb(); reg ta, tb; wire ty; xor_gate dut(y, ta, tb); initial begin ta=0, tb=0; $monitor("IN: %b, %b ",ta, tb, "OUT: ",y); ta=0, tb=1; $monitor("IN: %b, %b ",ta, tb, "OUT: ",y); ta=1, tb=0; $monitor("IN: %b, %b ",ta, tb, "OUT: ",y); ta=1, tb=1; end endmodule