Business card scanner software and how to learn the basics
If you plan to use your document scanner mainly for filing text or less sensitive graphic documents, you can make do with a document scanner that has a resolution of 600 dpi or less. This resolution should be sufficient for most basic uses. For more demanding applications however, you may want to look into a higher resolution document scanner. For extensive photo scanning work along with your regular document filing, you may want to consider buying a flatbed scanner. There are many different models of such scanners, and they can differ considerably with regard to design and functionality.