COMPUTER GENERATIONS
First Generation (1940-1956)
The 1st. generation computer were huge, slow, expensive and often unreliable. In 1946, two Americans, Presper Eckert and Willian Mauchly build the ENIAC (Electronic Numerical Integrator and Computer). It use vacuum tube instead of mechanical switches of the MARK 1.
In 1951, Eckert and Mauchly build the UNIVAC, which could calculate at the rate of 10,000 addition per seconds.
The new invention of hardware were needed with the new computer technology. Among them are vacuum tube, punched card,...