What Is My Computer's Resolution? (Screen Size in Pixels)
Your screen's resolution is:
Width x Length
The resolution of a computer monitor is the width and length of the screen in pixels. Screens with a higher pixel density per square inch can display more detail and render less grainy images than screens with a lower density.
Most computer monitors manufactured since 2006 have a screen pixel dimensions of 1024x720 or higher. Older computers typically have a resolution of 800x600.
It is important to remember that the resolution or pixel density does not tell you what the physical dimensions are. Image two screens that have a resolution of 800x600. One screen is 8 inches by 6 inches, the other is 12 inches by 9 inches. The smaller screen has a better resolution since it contains 100x100 pixels per square inch, while the larger screen has only 67x67 pixels per square inch.
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