Chapter 3. Understanding Display Devices

THE FOLLOWING COMPTIA A+ ESSENTIALS EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • 1.7 Distinguish between the different display devices and their characteristics

    • Projectors, CRT and LCD

    • LCD technologies

      • Resolution (e.g. XGA, SXGA+, UXGA, WUXGA)

      • Contrast ratio

      • Native resolution

    • Connector types

      • VGA

      • HDMI

      • S-Video

      • Component / RGB

      • DVI pin compatibility

    • Settings

      • Refresh rate

      • Resolution

      • Multi-monitor

      • Degauss

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 ...

Get CompTIA A+® Complete Deluxe Study Guide:Exams 220-701 (Essentials) and 220-702 (Practical Application) now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial