Resolution

Digital Imaging Laboratory (Nebraska State Historical Society) How a Digital Camera Works (Big Sky Fishing) Image Resolution, size, and compression: What does it really mean? (Microscope)
Image Resolution: Finding Happiness at 300 dots-per-inch (Printing for Less) Image Resolution, File Size and Download Speed (San Diego State University) Image resolution for the video monitor screen (Scan Tips) Understanding Resolution (The Luminous Landscape)