CH 5 topic wise
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Transcript of CH 5 topic wise
![Page 1: CH 5 topic wise](https://reader034.fdocuments.in/reader034/viewer/2022042619/587df2ad1a28abab7e8b51fb/html5/thumbnails/1.jpg)
PRESENTATION OF INFORMATION TECHNOLOGY
TOPIC Computer Generations
Name :- Muhammad Bakhtiar Registration No :- 1421-315315
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Key for Computer Generations
• Time Frame• Circuit Components• Elements per Component• Internal Storage• Memory Capacity• Data Input• Popular Computers and Companies at that time
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First Generations 1951- 1958
• Vacuum Tubes• Magnetic Drum• 4,000 bits• Hard Wire Programs in computers• IBM 650, Univac I• ENIAC
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Second Generation 1959-1964
• Transistors• Magnetic Cores• 32,000 bits• Punch Cards• CDC, GE, IBM
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Third Generation 1965-1974
• Silicon Chips (Integrated circuits)= IC• Cores, IC’s• 128,000 bits• Keyboard Entry• IBM, NCR, Honeywell
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Fourth Generation 1975-1989
• Silicon Chips (Large scale integrated circuits)=LSI
• IC’s, LSI’s• 100 million bits• Read programs off disks• Apple, Xerox, Texas Instrument, Hewlett-
Packard
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Fifth Generation 1990-present
• Silicon Chips ( Very Large Integrated Circuits) VLSI
• LSI’s, VLSI’s• Unlimited• CDRom, Optical Disk• NEC, Packard Bell, Compaq, Other Clones
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Information is Power
Thankyou!