Computer monitors, also called computer screens, computer monitors are peripheral output that connects to your PC via a card graphic or video card and allow you to view your computer information. Computer monitors are the main communication between the computer and the user interface being an essential element for the health of our view both the quality of the work. Features worth make an economic effort in computer monitors and select them carefully, for two reasons: much influence the quality and comfort of our work, as well as the health of our eyes due to the many hours a day spent watching them. Computer monitors are computer components with longer service life, being used for years, often on different computers. Let’s look at some important characteristics of computer monitors: size: the diagonal measurement, usually between 15 and 27 inches. In the CRT viewable area is less than the screen size.

(Ratio, or aspect ratio) form factor: indicates the ratio between width and height in computer monitors. Traditionally it was 4: 3 on TV but is in the widescreen 16: 9. Resolution: number of points that the monitor can display (also depends on the graphics card). There are numerous standards: VGA (640 480), SVGA (800 600), HD Ready (1280 720) or Full HD (1920 1080). Dot (dot pitch) size: affects the sharpness of the image, the smaller better quality. Refresh rate: number of times per second that the image is regenerated (also depends on the video card). Along with the response time, is a factor directly related to eyestrain, how much more alto less will get tired of the view. Contrast and brightness: much influence the quality of the perception of the image.

Connections: it is important that computer monitors include both digital connection (DVI, HDMI) as analog (VGA). Position: it is convenient that the position is adjustable in tilt and height. Configuration: interface OSD (On Screen Display) superimposed information on adjustments, facilitating the setting. Multimedia: multimedia models include speakers and microphone integrated along with the corresponding connections. Touch screen: touch screen computer monitors (touchscreen) allow you to interact with the computer by touching the screen, serving both peripheral input and output. Types there are basically three types of computer monitors: CRT (Cathode Ray Tube, cathode ray tube): the most common until a few years ago, resembling a TV.