D

Default setting

A setting that is automatically used if no other setting is specified.

Descreen

A function that reduces the occurrence of moire in the scan of a printed item. Moire is the patterns or stripes that are visible in a low-resolution scan of a picture or photo in a book or magazine due to the interference patterns between the dots that comprise the image.

Desktop

The entire Windows screen that represents your work area in Windows. Icons, windows, and the taskbar are displayed on the Windows desktop.

Dot

Images are reproduced as rows and columns of dots. When an item is scanned with a scanner, the resolution, or dot density, of the scanned image is measured as the number of dots per inch (dpi).

dpi

Dots per inch. A unit of measurement for indicating a machine’s resolution.

Driver

A program that controls how the computer and an external device interact. For example, the scanner driver supplies OS with information and features of the installed scanner. See also Scanner driver.

E

Exif

The Exchangeable Image File (Exif) format is a Japan Electronic Industry Development Association (JEIDA) standard used by most digital cameras to store images. The Exif compressed files use the baseline JPEG format, so they can be read by any application supporting “JPEG.” EXIF supports the storage of extra information, such as the date & time the image was taken, exposure information, etc., within the header of each JPEG file.

F

Folder

A container in which documents, program files, and other folders are stored on your disks. Formerly referred to as a directory.