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Back to TOC Glossary 127
dpi
Dots Per Inch. The number of dots in a linear inch. DPI measurements
are used to describe the resolution of printers and scanners, where
printed images and words are made up of a series of round dots. The
greater the DPI number, the higher the resolution.
drag
To move an object on screen. Place the cursor over the image or
selection area, hold the mouse button down, and move the mouse to
move the object.
drag-and-drop
To move an object to a new location and keep it there. Click on the
object and drag it to a new location, such as an open document in
another program, and release the mouse button. When dragging-and-
dropping between programs, a copy of the object is placed in the
receiving program.
drop-down list (or menu)
A list of items that appears when you click on or pass the cursor over a
command such as File or Edit.
e
editable text
Text that is converted from a scanned image into characters you can
modify in a word processor or other text-editing program. Depending
on the capabilities of your program, you can change the font, size,
style, and other attributes of editable text, as well as edit words or
phrases.
e-mail
A network over which you can transfer messages and electronic files.
E-mail is also sent via Internet browsers.
export
To save a file in a particular file format for use in other programs.
exposure
The amount of light, or brightness and contrast, in an image.
f
file format
The format in which a scan is saved. Certain file formats enable
programs such as word processors to insert, open, or import scans.
Common graphics formats include JPG, GIF, and TIFF. Common text
formats include plain text and RTF (Rich Text Format).
file size
The number of bytes in a file. The file size of scanned images is
determined by resolution, file type, output type, and scaling. To reduce
the file size of photographs, for example, you could decrease bit depth
or resolution.
final scan
The actual image, defined by the selection area, that is sent to a
destination such as a file, a printer, the Clipboard, or another program.
final size
The approximate height and width of the final image to be scanned.