CRT - Today, one of the most commonly used technologies for computer monitors. CRT, or Cathode Ray Tube, is a technology much like what you will find on most TVs. CRT monitors are an affordable solution; however, they are bulky and very heavy.
Flat Panel / LCD - LCD, or Liquid Crystal Display, monitors are similar to what is found on portable computers. LCD monitors overall generally display much sharper of an image, are lighter and more space efficient; however, they are much more of an expensive solution for desktop displays.
Computer plat panel display buying tips section.
Size
When considering purchasing a monitor utilizing the CRT technology it is important to consider the following:
Dimensional Size Size can be one of the more important considerations when purchasing a computer monitor. Monitors are available in 15",17", 19" and 21." Like most things, larger is generally more expensive. The larger the screen, the more amount of viewable space you will be able to work with. We generally recommend users that plan on utilizing their computer for more than one-two hours a day and have the available space purchase at least a 17" monitor. Users who plan on using the computer for graphic art or cad, we highly recommend utilize at least a 21" monitor. Finally, users with little space or plan on using the computer for word processing / e-mail may want to consider a 15" monitor.
Viewable Size - The viewable size of the monitor is a very important consideration and can vary by manufacturer. The viewable size is the size of the viewable area and not the complete monitor.
Dot / stripe pitch
When purchasing a monitor, Dot Pitch or Stripe Pitch is a very important consideration. Dot Pitch measurement is found on most monitors and defines the amount of space (in millimeters) that separates two adjacent pixels that are the same color. The smaller the Dot Pitch, the sharper the image. We recommend that when purchasing a monitor the Dot Pitch be no bigger than 0.25
Stripe Pitch is a measurement used with Trinitron or Diamondtron monitors and is a measurement (in millimeters) that separates two like-colored stripes. The lower the Stripe Pitch the higher the quality of image.
When looking at monitors you should only see a Dot Pitch measurement or a Stripe Pitch measurement. You should not see both of these measurements measuring the same monitor.
Finally, these two different measurements should not be a measurement comparison when deciding between two or more monitors, each technology is different.
Resolution
The maximum resolution is the amount of pixels that can be displayed horizontally x vertically. Be cautious when purchasing a monitor at any size that advertises a large resolution size such as 1,600 x 1,200 for a 15" monitor.
Some monitor manufacturers may allow for such high resolutions at a high cost but the user will never utilize such a resolution. As the monitor increases in size, the image display will decrease; below is a listing of a usable resolution limit by the size of the monitor. These sizes can be debated but are the standard and most easily viewed resolutions.
15" 800 x 600 / 1,024 x 768
17" 1,280 x 1,024
19" 1,280 x 1024
21" - 1,600 x 1,200
Controls
When purchasing a monitor, it is important to look at the available controls of that monitor. The controls allow for modification or adjustment of the viewable settings.
Tips about computer and electronics
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