2. Computer Generations How many generations of computer? What are these

3. First Generation 1946-1959. Vacuum tube based Harvard Mark I - The first modern digital computer (1942)

4. Second Generation 1954-1965. Using transistor The SAGE Computer Network (about 1954)

5. Third Generation 1965-1971. use of Integrated Circuits (IC's)

6. Apollo Guidance Computer (1968)

7. Forth Generation 1971-1980. Very Large use of Integrated Circuits (IC's)

8. Apple I (1976)

9. Fifth Generation 1980-till date. Ultra Large Scale Integration

10. The Apple Macintosh (1984)

11. Dynacam - the first digital camera (1990) The first consumer digital camera. Saved a 320 x 240 pixel image, interfaced to an Apple Macintosh

12. Computer Hardware

13. Central Processing Unit (CPU) Brain of Computer IT Process all input data and provides output to hardware CPU speed measured in Gigahertz (GHz) 1 Gigahertz (GHz) = 1000,000,000 cycles per second More higher CPU speed is more higher performance

14. Computer Hardware Motherboard

15. RAM (Random Access Memory)

16. Computer Hardware Hard Disk Drive (HDD)

17. Operating System (OS)

18. History of Windows OS 1975–1981: Microsoft boots up-History of Windows OS

19. What is the First Window of Microsoft?

20. 1985: Introducing Windows 1.0

21. 1990-Windows 31990-Windows 3

22. 1995: Windows 95—the PC comes of age (and don't forget the Internet)

23. 1998: Windows 98

24. 1999: Windows Me

25. 2000: Windows 2000 Professional

26. 2001–2005: Windows XP—Stable, usable, and fast

27. 2006–2008: Windows Vista—Smart on security

28. 2009: Windows 7 introduces Windows Touch

29. 2012: Windows 8 features apps and tiles

30. 2013: Windows 8.1 expands the Windows 8 vision

31. Bit0 or 1 the Smallest Unit 8 Bits1 Byte 1 Kilobyte (K.B)1024 Bytes 1024 Kilobyte (K.B)1 Megabyte 1024 Mega Byte1 Gigabyte 1024 Gigabyte1 Terabyte 1024 Terabyte1 Exabyte Computer Memory Measurement

33. Yahoo Old Days

43. What’s Next?

44. Flexible Mobiles

45. Transparent

46. Google Glasses

47. Google Facebook Drone