Questions about image resolution as measured in pixels per inch. PPI is either (a) the resolution of a image when it is printed at a specific physical size; or (b) the physical resolution of a display device. DPI (dots per inch), which refers to the output resolution of a print device, is often used ...

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What dimensions should I use when designing for the Kindle Fire?

I've reviewed all of the android design documentation, but I am still a little confused on how I should setup my Photoshop file if I am making an app for just the Kindle Fire. It's 1024x600 with 160 ...
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3answers
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Why is my edited image smaller than my original image but yet retains the same resolution?

I used IrfanView to change a JPG's DPI from 96 to 300 as I want to print it on a bag for my child. The new imaged created is significantly smaller 6 MB vs 682 kB. The detail summary shows the same ...
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1answer
449 views

Is scaling an image by 200% the same as doubling dpi/ppi?

I am sure this is a simple question, but the answers I have received from people are never simple. I am trying to apply an answer to this question for scaling images for the iOS Retina display.
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1answer
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How to see an embedded image's dpi in a pdf in Acrobat Pro?

the following situation baffled me slightly: After preparing a pdf in a different program I wanted to make sure the dpi of an embeded image in the pdf file had the right dpi, yet I found no way in ...
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2answers
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iOS 4 retina display resolution size

I'm a little confused about the resolution here, I know the dimensions suppose to be: 320x480 points but what do I need to put for the resolution? e.g. 300 dpi? I'm designing on CS5.