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Basics of a computer

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This is a presentation about computers …

This is a presentation about computers
From chamber accademy.

More in: Technology , Business
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Transcript

  • 1. COMPUTER
    • Computer
    • an electronic device
    • an information processing machine
    • works under the control of a stored program
  • 2. Characteristics of Computer
    • * Speed
    • * Intangible benefits
    • * Accuracy
    • * Reduced cost
    • * Reliability
    • * The Internet
    • * Storage capability
  • 3. COMPUTER SYSTEM Mouse Monitor Speaker System Keyboard Microphone Display Screen/ Desktop area
  • 4.  
  • 5. How does a computer work? Input Output Processing
  • 6. Data and Information INPUT OUTPUT
  • 7. Information processing
    • * Data received by a computer via its input devices
    • * Stored in memory prior to processing
    • * Data get processed
    • * Results sent to the output devices
  • 8. INPUT DEVICES Mouse Scanner Tracker ball Touchscreen Light pen Graphic tablet
  • 9. Magnetic stripe reader Voice recognition Barcode reader Digital camera Microphone
  • 10. OUTPUT DEVICES Dot matrix printer CRT Screen LCD screen Plotter Laser printer Inkjet printer speaker