ENIAC aigona akaronga kuita kutevedzana kunzwisisa akavhiyiwa, kusanganisira zvishwe, mapazi, uye subroutines. Zvisinei, pane kuchengetwa-purogiramu makombiyuta kuti zviripo nhasi, ENIAC aingova muunganidzwa guru arithmetic michina, izvo pakutanga akanga zvirongwa akamisa kupinda muchina pedyo mubatanidzwa plugboard wiring uye nhatu inotakurika basa matafura (ine 1200 gumi-nzira chinja mumwe nomumwe). Basa kutora dambudziko uye mapping pamusoro muchina yakanga yakaoma, uye kazhinji akatora mavhiki.
nhevedzano dzakaoma dzokuita, kubatanidza zvishwe, mapazi, uye subroutines