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Computer and Internet

Computer and Internet

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Computer Assignment Presentation Transcript

  • 1. -By Austin Gangar
  • 2. Meaning of Computer1.Mechanical Devise2.Accepts Input3.Provides Output
  • 3. Types of ComputersPersonal computerNotebook computerPersonal Digital Assistant
  • 4. HISTORY OF COMPUTERS1st Generation(1946-ENIAC)1.Vaccume tubes2.Memory of mercury & magnetic drums3.Huge
  • 5. 2nd Generation (Late-1950’s)1.Tubes with transistor2.Memory with magnetic cores3.Size reduced
  • 6. 3rd Generation (1964-IC)1.Integrated circuits2.Online system3.Magnetic tapes
  • 7. 4th Generation (Mid-1970’s)1.Chips introduced2.Microprocessor, PC3.Accuracy4.Increased efficiency
  • 8. 5th Generation (Future Computer)1.Sophisticated2.Artificial intelligence
  • 9. INPUT DEVICES Keyboard, Mouse Joysticks Touch Screen Scanner Voice, Audio Input Web Cams, Digital Camera
  • 10. OUTPUT DEVICES Monitor Video Card Printers Dot-matrix, Ink-jet, Laser Printer Speakers
  • 11. STORAGE DEVICESFloppy DiskHard DiskCompact DiskPen Drive
  • 12. Advantages of Computers• Create Correspondence• Entertainment• Communication• Educational Purpose• Training Purpose• Speed, Accuracy
  • 13. Disadvantages of ComputersIncapacity to take DecisionsReduces I.QRequires Proper MaintenanceLeakage of private, confidential dataProlonged use may damage eyesight
  • 14. Meaning of Internet Sharing of information Network of networksHistory of Internet 1970’s- ARPANET, 1982-IP (www), 1990’s-ISP
  • 15. Types of Internet Connection• Telephone• Cable• Modem• ISP
  • 16. Advantages of InternetCommunicationEntertainmentInformationChattingE-CommerceOther Services
  • 17. Disadvantages of InternetNo secrecy of personal dataSpammingThreat of virusPornography
  • 18. CONCLUSIONMechanical Services RenderedMotive Is Wellbeing Of HumansDepends On Uses
  • 19. “Thank you”