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  • 1. Computer Hardware - Peripherals -
  • 2. Peripheral Device
    • External hardware devices attached to the computer are called peripheral devices
    • There are three types of peripheral devices :
      • Input devices
      • Output devices
      • Storage devices
  • 3. Input Devices
    • Input devices are any electronic device that are connected to a computer and produces input signals such audio, text, video, graphic.
  • 4. Microphone AUDIO Handy Cam / Vedio Camera VIDEO Digital Camera GRAPHIC Keyboard TEXT
  • 5. Scanner TEXT / GRAPHIC Barcode Scanner TEXT Web Cam VIDEO / GRAPHIC
  • 6. Pen or Handheld TEXT Card Reader TEXT
  • 7. BIOMETRIC DEVICE
  • 8. POINTING DEVICE
  • 9. TOUCH SCREEN
  • 10. Name : Graphic Tablet Category : Input Device Pointing Device
  • 11. Name : Keyboard Category : Input Device Used for : Input Text Function : A set of keys used to operate a typewriter
  • 12. Name : Barcode Reader Category : Input Device Use for : Input Text
  • 13. Name : Scanner Category : Input Device Used for : Input Text & Graphic Function : scanner is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.
  • 14. Name : Video Digital Camera Category : Input Device Used for : Input Video
  • 15. Name : Web cam Category : Input Device Used for : Input Video
  • 16. Name : CCTV Category : Input Device Used for : Video
  • 17. Output Devices
    • Output is the result of data processing activity when it is presented externally to the system. The output from a computer can be printed or displayed form .
    • An output device is hardware that is capable of delivering or showing information to one or more users. An output device shows, prints and presents the results of a computer’s work.
  • 18. OUTPUT DEVICE
  • 19. PRINTER Printer-is a computer peripheral which produces a hard copy (text, graphic)
  • 20. MONITOR Monitor-A display device consists of a screen and the components that produce the information on the screen
  • 21. PLOTTER
  • 22. LCD PROJECTOR LCD projector is a type of video projector for displaying video, graphic or computer data on a screen or other flat surface
  • 23. CENTER LEFT SURROUND RIGHT SURROUND SUBWOOFER LEFT RIGHT SPEAKER
  • 24. HEADPPHONE PRODUCE AUDIO OUTPUT
  • 25. Storage Devices
    • Information and documents are stored in a computer storage so that it can be retrieved whenever they are needed later on.
    • Computer storage is the holding of data in an electromagnetic form for access by a computer processor.
  • 26. STORAGE PRIMARY SECONDARY 650MB - RM0.50 512MB - RM200.00 1024MB - RM50.00 80GB - RM200.00 512MB - RM12.50
  • 27. PRIMARY STORAGE RAM ROM Store during and after processing DATA AND PROGRAM Store by manufacturer Store information temporary CONTENT Store instructions permanently Very fast, but uses a lot of power PROCESSING TIME Fast, but uses very little power Volatility VALATILE Non- volatile
  • 28. 1 GB 40 GB 8.5 GB 0.7 GB 0.001 G 40 GB 0.7 GB 50 GB
  • 29.  
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  • 31. The End - Q & A -