John Mauchly and J. Presper Eckert, build the Electronic Numerical Integrator and Calculator (ENIAC). (jan 1, 1942 – jan 1, 1943)
Description:
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:
jan 1, 1942
jan 1, 1943
~ 12 months