Image resolution means how much a picture contains pixels per inch. It is demonstrated as DPI (dots per inch), and Image quality or precision depends upon these pixels. For instance, an image of 300 (length) x 300 (height) contains 90,000 pixels. As far as the pixels in your mobile phone increases, the photo resolution increases. That's why 5 megapixels cameras are now considered reliable than 3 … [Read more...]