First Generation (1940-1956)
- Used Vacuum Tubes
- Very large and expensive
- Example: ENIAC
Second Generation (1956-1963)
- Used Transistors
- Smaller and faster
- More reliable
Third Generation (1964-1971)
- Used Integrated Circuits (IC)
- Reduced size and cost
- Improved performance
Fourth Generation (1971-Present)
- Used Microprocessors
- Personal Computers introduced
- High speed and portability
Fifth Generation (Present & Future)
- Artificial Intelligence
- Machine Learning
- Natural Language Processing