History of Computers By Sheza Danish Period: 1940 to 1956 First Generation Vacuum tubes were used Period: 1956 to 1963 Second Generation Transistors were used Period: 1964 to 1971 Third Generation Integrated circuits were used Period: 1972 to 2010 Fourth Generation Microprocessors were used and still being used Period: 2010 to 2021 Fifth Generation Artificial Intelligence was introduced
