first electronic computer

ENIAC-:
    It was the first electronic computer built in 1946 at University of Pennsylvania, USA by John Eckert and John Mauchy. It was named Electronic Nummerical Intergrator and calculation (ENIAC). The ENIAC was 50 feet long, 30 tone, contained 18,000 vacum tube, 70,000 registers , 10,000 capacitors and required 150,000  watt of electricity