Full Adder using Half Adder (Structural Modeling)

Full Adder using Half Adder (Structural Modeling):

module full_use_half(

    input a,

    input b,

    input cin,

    output sum,

    output carry

    );

wire x,y,z;

halfadder HA1(a,b,y,x);

halfadder HA2(cin,y,sum,z);

or R1(carry,x,z);

endmodule

Hint: For Module halfadder refer previous posts