| Year,Generation,Computer_Name,Technology,Key_Developer,Description,Computer_Type | |
| 1940,First Generation,ENIAC,Vacuum Tubes,John Presper Eckert & John Mauchly,First general-purpose electronic computer,Mainframe | |
| 1945,First Generation,EDVAC,Vacuum Tubes,John von Neumann,Introduced stored-program concept,Mainframe | |
| 1951,First Generation,UNIVAC I,Vacuum Tubes,Remington Rand,First commercial computer,Mainframe | |
| 1959,Second Generation,IBM 1401,Transistors,IBM,Popular business computer,Mainframe | |
| 1964,Third Generation,IBM System/360,Integrated Circuits,IBM,Standardized computer architecture,Mainframe | |
| 1969,Third Generation,PDP-8,Integrated Circuits,DEC,Affordable minicomputer,Minicomputer | |
| 1971,Fourth Generation,Intel 4004,Microprocessor,Intel,First commercial microprocessor,Microprocessor | |
| 1975,Fourth Generation,Altair 8800,Microprocessor,Ed Roberts,Triggered the personal computer revolution,Personal Computer | |
| 1981,Fourth Generation,IBM PC,Microprocessor,IBM,Popularized home and office PCs,Personal Computer | |
| 1984,Fourth Generation,Apple Macintosh,GUI & Mouse,Apple,Introduced graphical user interface to consumers,Personal Computer | |
| 1991,Fifth Generation,World Wide Web,Networking,Tim Berners-Lee,Enabled global information sharing,Networked Computers | |
| 2006,Fifth Generation,Cloud Computing,Virtualization,Amazon,On-demand computing resources,Cloud Systems | |
| 2010,Fifth Generation,Smartphones,Mobile Computing,Apple & Google,Computers in handheld devices,Mobile Devices | |
| 2015,Modern Era,AI Accelerators,GPU & TPU,NVIDIA & Google,Optimized hardware for AI workloads,AI Computers | |
| 2020,Modern Era,Quantum Computers,Quantum Bits (Qubits),IBM & Google,Computing using quantum mechanics,Quantum Computer | |
| 2024,Modern Era,Edge Computing Devices,IoT & AI Chips,Various Companies,Local processing near data sources,Edge Devices |