first generation 1940 to 1956 vacuum tube or thermionic valve machine. output was displayed on printouts binary-coded concept (i.e., language of 0-1). Examples: ENIAC, EDVAC, etc. Second Generation 1956 to 1963 transistor technology size of second generation was smaller. Third Generation 1963 to 1971 Integrated Circuit (IC) technology. third generation was smaller. consumed less power … Continue reading Generations of Computers