Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Ụzọ: Na June 1951, e nyefere UNIVAC I (Universal Automatic Computer) na U.S. Census Bureau. Remington Rand mechara ree igwe iri anọ na isii ihe karịrị nde US $ 1 nke ọ bụla (nde $ 9.65 dị ka nke 2019). UNIVAC bụ kọmputa mbụ e mepụtara n'ìgwè. Ọ na-eji 5,200 vacuum tubes ma na-eri 125 kW nke ike. Ebe nchekwa ya bụ usoro ntinye usoro nke mercury nwere ike ịchekwa okwu 1,000 nke 11 decimal digits plus sign (72-bit words).  Ajụjụ: Olee otú kọmputa nke mbụ e mepụtara n'ìgwè dịruru n'ike?
125 kW