Do you Idea of Display Device Types …?

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Display Device Types

Display Device Types

we are now discuss the Common display devices that you might be asked to install include CRT monitors, LCD monitors, LED Monitor and projection systems.

1) CRT monitor :

Cathode Ray Tube (CRT) monitors are the traditional type of computer display. In IBM’s Video Graphics Array (VGA) standard, CRTs used analog color, which uses three consecutive signals—one each for red, green, and blue. Super VGA (SVGA) is the later standard. CRT monitors can have curved or flat screens. However, they should not be confused with flat-panel monitors.

2) LCD monitor :

Liquid Crystal Display (LCD) flat-panel displays are a compact, light-weight alternative to traditional CRT monitors and are the most common monitors sold today. LCDs now come in large-screen sizes of 17 inches and more, with high screen resolution and high color depth. Older LCDs have two disadvantages: they are not as bright as CRT monitors, and depending on the LCD screen, the user may need to sit directly in front of the screen to see the display properly. LCDs consume much less energy than CRTs and do not emit nearly as much electromagnetic radiation as CRTs do. LCD monitors use Cold Cathode Fluorescent Lamp (CCFL) as the backlight source.

3) LED Monitors :

LED monitors are the latest type of monitors. They are similar to LCD monitors, but use Light Emitting Diodes (LEDs) as the backlight source instead of Cold Cathode Fluorescent Lamp (CCFL). These monitors consume lesser power than LCD monitors.

4) Projection system :

Video projectors are often used to display the computer’s video output onto a whiteboard or other surface so that a larger audience can see it.

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