about screen resolution

hi guys

i want to know what dose screen resolution Depend on i mean you can buy 2 identical laptops and they have different resolution why??

and cant the user change the resolution? and if not why?
right click on desktop== properties==settings==resolution


thanx in advance

 

It decides the size of the pixels. Hhigher resolutions mean that the pixels are smaller. It is always best to go to a shop andhave a look at the resolutions. People prefer diffrent resolutions. You can change the resolution, but the problem is that LCD displays are designed for a specific resolution. So, if you change it, the display will go out of focus and fuzzy.

 

Screen resolution is the number of pixels (length X width=total number of pixels) a screen is capable of displaying. Usually the more pixels there are, the more items can be fit onto the screen simultaneously (screen estate) and the sharper items appear to be. However, it also means that items are smaller (text size can be increased in the control panel though) and it may appear less attractive when running at non-native resolutions, as the pixels have to 'blend' to create 'less' pixels. Different resolutions exist because some people may want more room e.g spreadsheets and web design.

 

thanx for the fast replay guy's

but if the 2 laptops have 17'' screen and the same GPU and the same os how come one will have WXGA+ as native resolution and the other will have WUXGA as native resolution

thanx

 

Actual pixel size can be altered so that the displays end up with different resolutions. Bear in mind, that if you want to play games, the graphics card cannot cope with the higher resolution on the 17" display, then you may want to think about the lower resolution one. Higher resolutions result in reduced performance, since it needs to compose more pixels.

 

Because theres a different model of screen in each laptop.