McNulty was one of six women who became operators of ENIAC making very substantial contributions to computer science, although it took many years before they received the credit which they deserve for their pioneering work.
McNulty ay isa sa anim na kababaihan na naging operator ng ENIAC paggawa ng masyadong malaking kontribusyon sa computer science, kahit na ito kinuha ng maraming taon bago nila natanggap ang credit na kung saan sila ay maging karapat-dapat para sa pangunguna ng kanilang trabaho.