| No | Generation | Period | Technology |
| 1 | First Generation | 1946-1959 | Vacuum Tubes |
| 2 | Second Generation | 1959-1965 | Transistor |
| 3 | Third Generation | 1965-1971 | Integrated Circuits |
| 4 | Fourth Generation | 1971-1980 | VLSI Micro Processors |
| 5 | Fifth Generation | 1980-present | Artificial Intelligence |
