First Generation (1940-1956)
- 1940: Development of ENIAC, first general-purpose computer.
- 1943: Introduction of Colossus, used in WWII codebreaking.
- 1951: UNIVAC I, the first commercially available computer.
Second Generation (1956-1963)
- 1956: Introduction of transistors replacing vacuum tubes.
- 1959: IBM 1401, one of the first widely used business computers.
- 1961: UNIVAC 1108, improving on mainframe performance.
Third Generation (1964-1971)
- 1964: IBM System/360, a revolutionary mainframe.
- 1965: First use of integrated circuits in computers.
- 1970: Introduction of the first minicomputers like PDP-11.
Fourth Generation (1971-Present)
- 1971: Intel 4004, the first microprocessor.
- 1981: Introduction of IBM PC, starting the PC era.
- 1991: Linux, an open-source operating system, was created.
- 2007: Introduction of the iPhone, leading to mobile computing evolution.
Fifth Generation (Present & Beyond)
- 2011: IBM Watson wins Jeopardy, showcasing AI capabilities.
- 2019: Google claims quantum supremacy with Sycamore.
- 2023: Advancements in AI, including ChatGPT and GPT-4.