Consider the following sub$\_$module$\_$ver $110g$ code:

module sub$-$module$-$verilog $($input $A,B,$ output wire $M,N,s)$

Assign $M=A{}^{{?}^{{?}^{?}}}B,$

Assign $N=A$&$-B$;

Assign $S=-AB$ B;

endmodule

Consider the following main$\_$module$\_$verilog code:

module main$-$mo$$ule$-$v$$rilog $($input wiret$2$:$01$ A$,$ B$,$ output wire $x,Y,2)$;

wire $50,51,52,53,34,35,56,37,38$;

sub$-$module$-$verilog eq$\_$bito $(.$

Consider the following sub$\_$module$\_$vexilog code:

module sub$-$module$-$verilog $($input $A,B,$ output wire $M,N,S)$;

Assign $M=A{}^{{?}^{{?}^{?}}}B$

Assign $N=A$&$B$

Assign $S=A$&$B$;

endmodule

Consider the following main$\_$module$\_$verilog code:

module main$-$module$-$verilog $($input wire $[2$:$0]A,B,$

output wire $x,Y,Z)$ ;

wire $s0,s1,s2,s3,s4,s5,s6,s7,s8$;

sub$-$module$-$verilog eq bito $(.A(A[0]),.B(B[0]),.M(s0),$

$.N(s1),.S(s2)$;

sub$-$module$-$verilog eq$\_$bit$1(.A(A[1]),.B(B[1]),.M(s3),$

$*N(s4),.S(s5)$;

sub$-$module$-$verilog eq$\_$bit$2(.A(A[2]),.B(B[2]),.M(s6),$

$.N(s7),.s(s8)$;

assign $x=s0$&$s3$&$s6$;

assign $Y=s7|([56,$&$,s4])|([56,$&$,s3,$&$,s1])$;

assignz$=s8|(s6$&$s5)|([56,$&$,s3,$&$,s2])$;

endimodule

The module described above represents$[0],*N(s1),.S(s2)$;

sub$-$module$-$verilog eq$\_$bit$1(.A(A[1]),.B(B[1]),.M(s3),N(s4),.s(s5)$;

sub$-$module$-$verilog eq$\_$bit$2(.A(A[2]),.B(B[2]),.M(36),*N(s7),.S(s8)$;

assign $x=50$ & $$3$ & $s6$;

assign $2=s8|(s6$&$s5)|(s6$&$s3$&$s2)$;

endmodule