Generations of Computer ICT Lecture 2.pptx

The development of electronic computers can be divided into generations depending upon technologies used

1. Generations of Computer

2. Generations of Computer

3. Generations of Computer

4. First Generation Computers

5. ADVANTAGES Vacum tubes made possible to make electronic digital computers

6. Disadvantages

7. Second Generation Computers

8. 2 nd Generation Computers Transistors Invention of transistors (William Shockley,John Bardeen and Walter Brattain) E.gs IBM 7094 series IBM 1400 series CDC 164

9. Advantages

10. Disadvantages

11. 3 rd Generation Computers

12. Advantages

13. Disadvantages Air conditioners Advanced technology is required to make IC Chips

14. 4 th Generation Microprocessors Ted Hoff produced first Micro processor in 1971 for Intel Intel 4004 LSI (Large Scale Integration) VLSI(Very Large Scale Integration) E.g IBM PC,Apple Macintosh

15. Advantages Smaller in size Cost of computers is lower Consume less power Generate less heat More reliable Powerful High processing speed

16. Advantages

17. Disadvantage Latest technology is required for manufacturing microprocessors

18. 5 th Generation Artificial Intelligence Voice Recognition,Robotics and Game Development