Ricoh IS01 Operator's Manual page 74

GLOSSARY
raster
graphics
Raster image
processor
rasterization
resolution
scale
Scanner driver
short-edge
feed
spot
G-4
Graphic created using a pattern of dots.
Processor board (RIP) that builds a raster image that is
passed to the scanner.
Transformation of an image onto a page using bitmap dots.
Number of dots per inch (dpi) or spots per inch (spi). The
greater the number of dots or spots per inch, the higher the
resolution and the clearer the image. The terms dots,
spots, and pixels are synonymous.
Adjusting font or image size according to specified
proportions.
Software that allows a host computer to communicate with
a scanner.
Moving the paper through the scanner in the direction of
the paper width (the short side of the paper).
Single element of a picture imaged by the scanner (also
called a dot or a pixel).