Evolution of Computers

First Generation (1940-1956)

First Generation Computer

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)

Second Generation Computer

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)

Third Generation Computer

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)

Fourth Generation Computer

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)

Fifth Generation Computer

2011: IBM Watson wins Jeopardy, showcasing AI capabilities.
2019: Google claims quantum supremacy with Sycamore.
2023: Advancements in AI, including ChatGPT and GPT-4.