dec 31, 1943 - Two University of Pennsylvania professors, John Mauchly and J. Presper Eckert, build the Electronic Numerical Integrator and Calculator (ENIAC). Considered the grandfather of digital computers, it fills a 20-foot by 40-foot room and has 18,000 vacuum tubes
Added to timeline:
Date:
dec 31, 1943
Now
~ 81 years ago