1. Computer History Timeline
Computer Generations
MHS-TH-28

2. *Table of Contents* Slide 5: Picture of first generation computer
Slide 6: What are first generation computers
Slide 7: Picture of Cathode Ray Tube
Slide 8: What is a Cathode Ray Tube
Slide 9: Picture of Selective Sequence Calculator
Slide10: What is a selective sequence calculator
Slide11: picture of second generation technology
Slide12: What is second generation technology
Slide13: Picture of AT&T’s data phone
Slide14: What is AT&T’s data phone
Slide15: Picture of First industrial Robot

3. *Table of Contents* Slide 16: What is the First industrial Robot
Slide 17: Picture of Third Generation Technology
Slide18: What are Third Generation Computer
Slide19: Picture of HP-2115
Slide 20: What is the HP-2115
Slide 21: Picture of The Stanford Arm
Slide 22: What is the Stanford Arm
Slide 23: Picture of fourth generation computers
Slide 24: What are fourth generation computers

4. *Table of Contents* Slide25: The first e-mail
Slide26: How the first happened
Slide27: Picture of Pixar
Slide28: What is Pixar
Slide29: Picture Of fifth generation technology
Slide30: What is fifth generation technology
Slide31: Picture of Voice Recognition
Slide32: What is voice recognition
Slide33: Picture of Future Changes
Slide34: What are the plans of the future

5. 1st generation 1946-1958 Table of Contents
Table of Contents

6. 1st Generation-Vacuum tubes
Used circuitry and magnetic drums for memory.
Were enormous and very expensive.
Relied on machine language.
Used the lowest-level programming language.
Solved one problem at a time.
Generated a lot of heat causing malfunctions.
Table of Contents

7. Cathode Ray Tube
Table of contents

8. 1947 Introduced Williams tube, Cathode ray tube.
Painted dots and dashes of phosphorescent.
Used as memory for vacuum tube machines.
Table of Contents

9. Selective Sequence Electronic Calculator
Table of Contents

10. 1948 IBM’S selective sequence electronic calculator
Produced 50 multiplications per second.
Table of Contents

11. 2nd Generation
Table of Contents

12. 2nd Generation- Transistors
Transistors replaced vacuum tubes
Ushered in the second generation of computers.
Computers became cheaper and more energy-efficient.
Computers still generated a great amount of heat.
Table of Contents

13. AT&T’S Data Phone 1959-1964 Table of Contents
Table of Contents

14. 1960 At&t designed its data phone.
Converts digital computer data to analog signals.
Transmitted signals across its long distance network
Table of Contents

15. First industrial robot at General Motors
Table of Contents

16. 1961 First industrial robot works at general motors.
Obeying step-by-step commands.
Commands stored on a magnetic drum.
It stacked hot pieces of die cast metal
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17. 3rd Generation 1965-1970 Table of Contents
Table of Contents

18. 3rd generation- integrated circuits
Integrated circuits brought fourth the 3rd generation.
Transistors were miniaturized and placed on chips.
Increased the speed and efficiency of computers.
Different applications could be ran simultaneously.
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19. HP-2115
Table of contents

20. 1966 Hewlett Packard entered general purpose computer business.
Entered with its HP-2115 for computation.
Power formerly founded in only larger companies.
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21. Stanford Arm 1965-1970 Table of Contents
Table of Contents

22. 1969 Invented by Victor Scheinman.
First successful electrical, computer controlled robot arm.
Assembled ford model water pump by 1974.
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23. 4TH Generation 1971 to Present Table of Contents
Table of Contents

24. 4th generation-Microprocessors
Microprocessors brought fourth the 4th generation computers.
Integrated circuits were built on single chip.
Computers now fit in your hand.
Computers can now be linked together.
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25. The first e-mail 1971-present Table of Contents Computer used to send
Table of Contents

26. 1971 First E-mail was sent by Ray Tomlinson.
Sent while working on other projects.
Ray also invented the use of
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27. Pixar 1971-present Table of Contents
Table of Contents

28. 1986 Pixar is founded Pixar was, ”special effects Computer group”.
Steve jobs paid10 million for Lucas films.
He later renamed Lucas films Pixar.
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29. 5th generation
Present-beyond
Table of Contents

30. 5th generation-Artificial Intelligence
Artificial intelligence is still in development.
Intelligence that responds to natural language.
Capable of learning and self-organization.
Table of Contents

31. Voice recognition Present-beyond Table of Contents
Table of Contents

32. 2007-2008 Converts spoken words to machine readable inputs.
Used a lot in health care.
Wanted to be used in Military weapons.
Table of Contents

33. Changes Present-beyond Table of Contents
Table of Contents

34. Beyond 2015-converse with the average computer.
Future systems will be able to solve problems.
Computers will be easier to use
Will be more flexible and easily customized.
Will access intelligence's from anywhere.
Back to Beginning
of slide show
Table of Contents

35. *Citations*
Know/Hardware_Software/2002/FiveGeneration.asp ,
Oct.23.08
Selective sequence calculator,
Cathode Ray Tube- Nov.4,2008
30,08
The First Generation Computers. Last update Saturday, 21 May October 31, 2008

36. *Citations*
The Five Generations of Computers. 24, October 31,2008
October 25,2008.October31,2008

37. *Citations*