Chapter 4
Display Devices
The following CompTIA A+ 220-801 objectives are covered in this chapter:
- 1.10 Given a scenario, evaluate types and features of display devices.
- Types
- CRT
- LCD
- LED
- Plasma
- Projector
- OLED
- Refresh rates
- Resolution
- Native resolution
- Brightness/lumens
- Analog vs. digital
- Privacy/antiglare filters
- Multiple displays
The primary method of getting information out of a computer is to use a computer video display unit (VDU). Display systems convert computer signals into text and pictures and display them on a TV-like screen. As a matter of fact, the first personal computers used television screens because it was simpler to use an existing display technology rather than to develop a new one. Various types of computer displays ...
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