Join Mike Meyers for an in-depth discussion in this video Plasma and DLP displays, part of CompTIA A+ Exam Prep (220-901) Part 4: Displays and Printers.
- There's a lot of alternatives…to the typical CRT and LCD technology.…And I want to take a couple minutes and show those to you.…The first one is, well, it's still LCD…but instead of using cold cathode fluorescent lamps…as a backlight, they're using LEDs.…LEDs have a lot longer life than CCFLs,…they have a brighter image in general.…Maybe not quite as warm of an image…but they've become very popular.…So a lot of times when you see a TV…that advertises itself as an LED TV,…it's not really an LED TV,…it's an LCD TV but it just uses LEDs…as backlights instead of CCFLs.…
Alright, now I got a couple more fun little analogies here.…What I have here are three basically just fluorescent bulbs…that, when you give them electricity,…they will glow either red, green, or blue.…Now, what I want you to do is take these fluorescent bulbs…and shrink them down to the fraction of a millimeter scale.…And, in essence, turn these guys into a pixel.…What we have here is what we call plasma.…
Really a fluorescent light bulb creates a plasma display.…
The CompTIA A+ 220-901 exam is comprised of six key parts. The fourth, peripherals, is covered by this course. Instructor Mike Meyers explains how to manage monitors and display technologies, including how to work with connectors and ports like VGA and DVI. He also shows you how to maintain printers and multifunction devices, both as independent devices and as devices connected and configured to a computer.
Note: The six courses designed for the CompTIA A+ (220-901) exam preparation include core processing, core hardware, peripherals and building a PC, displays and printers, networking, and laptops and mobile devices.
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- Configuring display technologies
- Working with Plasma and DLP monitors
- Setting up video connections, graphic cards, and projectors
- Using dual displays
- Troubleshooting video issues
- Maintaining printers