2. Evolution of the Computer Land marks of the Computer History

3. Evolution of the Computer Very simple society. Simple Calculations and transactions

4. Evolution of the Computer Invention of Abacus to do calculations more vedio

5. Evolution of the Computer Blaise Pascal’s Adding Machine

6. Gottfried Wilhelm Von Leibniz Made improvements to the Pascal’s machine. It was possible to divide and multiply also

7. The loom manufactured during the period of industrialization

8. Evolution of the Computer Charles Babbage’s Analytical Engine Punched Card

9. Evolution of the Computer Hermon Hollerith’s Machine

10. MARK I MARK II

11. Evolution of the Computer ENIAC Computer (The First Electronic Digital Computer)

12. UNIVAC

13. IBM 650

14. IBM 702

15. Evolution of the Computer - Used Vacuum Tubes - Lot of heat - more space to place - Less Speed - One job at a time - Job scheduled Manually

16. The First transistor

17. Evolution of the Computer - Used Transistors -J-Job scheduled Automatically

18. The First IC

19. Evolution of the Computer - Used Integrated Circuits (IC) -T-Time sharing (more than one jobs at a time)

20. Evolution of the Computer sed Microchips -D-Distributed system More

21. Evolution of the Computer - Artificial Intelligence (Robot Technology) -N-Natural voice to input data

23. GENERATIONS OF COMPUTERS FIRST (early 50's) SECOND (late 50's) THIRD (60's) FOURTH (70's +) Technologyvacuum tubesTransistors Integrated circuits microchips (LSI, VLSI) Relative speed1100 1,000,000 +++ Relative cost10.10.010.001 --- RAM capacity (bytes) 1,000-8,0004,000-64,000 32,000- 4,000,000 32,000,000+++ External storage cardsTapemagnetic disksmass storage Operating System Single user; jobs scheduled manually Single user; jobs scheduled automatically Multiple users; time- sharing Multiple users; distributed systems