Computer Support/Hardware/Displays

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

Multimedia

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

References