The first electronic digital computer was called ENIAC (Electronic Numerator Integrator Analyzer and Computer), and was invented at the University of Pennsylvania in 1946. Its was constructed for military purposes. Weighing around 27 tons and was the size of a room (was about 9m by 17m). The ENIAC made loud noises, it crackled and buzzed when it was performing an equation, it also let out an incredible amount of heat since it had 17,000 vacuum tubes. Before this machine was invented, a room full of mathematicians were required to calculate the equations. This "computer" could execute 38 di…
