How do you plan to solve it?
module sr_latch_nor ( input S, input R, output reg Q, output Qn ); // Write your code here assign Qn=~Q; always@(*)begin case({S,R}) 2'b00:Q=Q; 2'b01:Q=1'b0; 2'b10:Q=1'b1; default: Q=1'B0; endcase end endmodule