(computing) to compile

a program (leaflet listing information about a play, game or other activity) / (broadcasting) a program (performance of a show or other broadcast on radio or television)

(computing) program (to write code, to enter a program or other instructions into a computer); event schedule

needed, necessary

need, necessity

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary

needlessness

necessary evil