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Generations of computer презентация
Содержание
- 1. Generations of computer
- 2. Generations of computer Computer can classified
- 3. . First generation computer Period : 1945
- 4. Vacuum tube
- 5. Vacuum tube
- 6. Vacuum tube
- 7. Vacuum tube
- 8. Vacuum tubes
- 9. Observing Vacuum tube
- 10. Observing Vacuum tube
- 11. Vacuum tube tester
- 12. Punched cards
- 13. Punched card voting Punched card decks
- 14. Punched cards models
- 15. Large punched cards
- 16. . First generation computer Advantages :
- 17. Too bulky i.e large in size
- 18. Vacuum tubes burn frequently
- 19. Maintenance problems
- 20. . Second generation computer Period : 1956
- 21. Transistor 1 2
- 22. Transistor board
- 23. . Second generation computer Advantages :
- 24. . Third generation computer Period : 1964
- 25. IC (integrated circuit)
- 26. ICs (integrated circuits)
- 27. IC (integrated circuit)
- 28. . Third generation computer Advantages :
- 29. . Fourth generation computer Period : 1971–
- 31. . Fourth generation computer Advantages :
- 32. . Fifth generation computer Period : present
- 33. . First generation computer . Second generation
- 34. Thank you
Generations of computer Computer can classified in to five types according to generations i.e time period . First generation computer . Second generation computer . Third generation computer .
Слайд 1Generations of computer
And
Characteristics of a computer
Kazakh-American University
Nurakhmetova A.E.
Слайд 2Generations of computer
Computer can classified in to five types according
to generations i.e time period
. First generation computer
. Second generation computer
. Third generation computer
. Fourth generation computer
. Fifth generation computer
Слайд 3. First generation computer
Period : 1945 – 1956
Inviter : Lee de
Forest
Main processing device : Vacuum tubes
Main processing device : Vacuum tubes
Слайд 16. First generation computer
Advantages :
. It was only electronic device
.
First device to hold memory
Disadvantages :
. Too bulky i.e large in size
. Vacuum tubes burn frequently
. They were producing heat
. Maintenance problems
Disadvantages :
. Too bulky i.e large in size
. Vacuum tubes burn frequently
. They were producing heat
. Maintenance problems
Слайд 20. Second generation computer
Period : 1956 – 1963
Inviter : William Shockley
Main
processing device : Transistor
Storage media : Magnetic disc
Storage media : Magnetic disc
Слайд 23. Second generation computer
Advantages :
. Size reduced considerably
. The
very fast
. Very much reliable
Disadvantages :
. They over heated quickly
. Maintenance problems
. Very much reliable
Disadvantages :
. They over heated quickly
. Maintenance problems
Слайд 24. Third generation computer
Period : 1964 – 1971
Inviter : Jack Kilby
Robert Noyce
Main processing device : IC (integrated circuit)
Storage media : Floppies
Main processing device : IC (integrated circuit)
Storage media : Floppies
Слайд 28. Third generation computer
Advantages :
. ICs are very small in
size
. Improved performance
. Production cost cheap
Disadvantages :
. ICs are sophisticated
. Improved performance
. Production cost cheap
Disadvantages :
. ICs are sophisticated
Слайд 29. Fourth generation computer
Period : 1971– present
Inviter : Ted Hoff
Main processing
device : ICs with VLSI
(Very Large Scale Integration)
Storage media : Floppies, CDs.
(Very Large Scale Integration)
Storage media : Floppies, CDs.
Слайд 31. Fourth generation computer
Advantages :
. It is a compact
. Less
power consumption
. Production cost is cheap
Disadvantages :
. No artificial intelligent.
. Production cost is cheap
Disadvantages :
. No artificial intelligent.
Слайд 32. Fifth generation computer
Period : present and beyond
Main processing device :
ICs with parallel processing
Storage media : Video disks
Storage media : Video disks
Advantages :
. Artificial intelligence
. Expert system
Слайд 33. First generation computer
. Second generation computer
. Third generation computer
. Fourth
generation computer
. Fifth generation computer
Vacuum tubes
Transistors
ICs
ICs with VLSI
ICs with parallel processing
