< Computer Support < Hardware

This lesson covers displays.

Objectives and Skills

Objectives and skills for the displays portion of A+ certification include:[1]

Compare and contrast types of display devices and their features.
  • Types
    • LCD
      • TN vs. IPS
      • Fluorescent vs. LED backlighting
    • Plasma
    • Projector
    • OLED
  • Refresh / frame rates
  • Resolution
  • Native resolution
  • Brightness/lumens
  • Analog vs. digital
  • Privacy/antiglare filters
  • Multiple displays
  • Aspect ratios
    • 16:9
    • 16:10
    • 4:3

Readings

  1. Wikipedia: Video
  2. Wikipedia: Computer monitor
    1. Wikipedia: Liquid-crystal display
      1. Wikipedia: Thin-film-transistor liquid-crystal display
      2. Wikipedia: Backlight
    2. Wikipedia: Plasma display
    3. Wikipedia: Projector
    4. Wikipedia: OLED
    5. Wikipedia: Refresh rate
    6. Wikipedia: Display resolution
    7. Wikipedia: Lumen (unit)
    8. Wikipedia: Plasma display
    9. Wikipedia: Monitor filter
    10. Wikipedia: Display aspect ratio

Multimedia

  1. YouTube: An Overview of Display Device Types - CompTIA A+ 220-901: 1.10
  2. YouTube: Display Specifications - CompTIA A+ 220-901: 1.10

Activities

References

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