nand2/01_Boolean_Logic/DMux.v

/**
 * Demultiplexor:
 * {a, b} = {in, 0} if sel == 0
 *          {0, in} if sel == 1
 */

`default_nettype none
module DMux(
    input in,
    input sel,
    output a,
    output b
);

    // Put your code here:
    wire nsel;

    Not NOT1(sel, nsel);
    And AND1(in, sel, b);
    And AND2(in, nsel, a);
endmodule