(width x height x color depth)
Your display aspect ratio is:
Screen resolution is the number of pixels your
monitor have in horizontal and vertical dimensions.
Another characteristic of the screen resolution is color depth which measures the number of bits representing color of each pixel. Higher screen resolution is commonly associated with higher productivity as you can see more information at the same time and don’t have to switch between windows frequently. As a result increasing your screen resolution is often a better investment than buying a faster processor or more memory.