ENIAC nwere ike ịhazi ya iji rụọ usoro dị mgbagwoju anya nke arụmọrụ, gụnyere loops, alaka, na subroutines. Otú ọ dị, kama kọmputa ndị a na-echekwa na kọmputa ndị dị taa, ENIAC bụ naanị nnukwu nchịkọta nke igwe mgbakọ na mwepụ, nke mbụ nwere mmemme ndị e guzobere n'ime igwe site na njikọta nke plugboard wiring na tebụl ọrụ atọ (nke nwere 1200 ụzọ iri ọ bụla). Ọrụ nke iwere nsogbu ma tinye ya na igwe ahụ dị mgbagwoju anya, ma na-ewe ọtụtụ izu. N'ihi mgbagwoju anya nke itinye ihe omume na igwe ahụ, a gbanwere ihe omume ahụ naanị mgbe ọtụtụ ule nke usoro ihe omume ugbu a gasịrị. Mgbe e mechara ihe omume ahụ na akwụkwọ, usoro nke ịgbanwere usoro ihe omume ahụ na ENIAC site na ịmegharị eriri ya na eriri ya nwere ike were ụbọchị. Nke a na-esote oge nkwenye na ike nke onye na-eme ihe omume, bụ onye na-eme ihe omume nke na-enweghị ike iji usoro ihe omume ahụ site na njikọta nke plugboard wiring na tebụl atọ na-arụ ọrụ tebụl (nke ọ bụla nwere
usoro mgbagwoju anya nke arụmọrụ, gụnyere loops, alaka, na subroutines