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The dimensions of a picture. Re: The product of them gives the number of pixels present in the picture!

To elaborate, a 640x480 picture is 640 pixels long on one edge by 480 pixels along the adjacent edge. The size of an actual pixel is not that important and is relative to the resolution of the viewing monitor. However, in most cases, it takes about 72 pixels to equal one inch from what I recall.

What is more important is the consideration of how these settings affect the quality of the image as it is viewed or used. For example, if you were to print a 320x240 photo at 8x10 size, it would look far worse than a 640x480 image, which in itself would not be of high quality. While the higher resolution settings will produce finer images for larger reproduction, the drawback is that these files take up a lot of memory and can at times be difficult to email or use otherwise.

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Q: What does 160x120 320x240 640x480 mean?
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