User`s guide

Appendix D:Glossary
158 - ScanShop User’s Guide
driver See device driver
monospaced font Any font in which all characters have the same width.
For example, in Courier New (a monospaced font), the
letter “M” is the same width as the letter “l.” Thus,
“MMMMM” is the same width as “lllll”.
peripheral At or outside the boundaries of the computer itself,
either physically (as a peripheral device) or logically
(as a peripheral card). Pixel is short for picture element.
A point (dot) on the graphics screen.
point A typographic unit of measurement equal to 1/72 inch,
measured vertically. Points are used to describe font
size.
proportional font Any font in which characters differ in width. For exam-
ple, in the proportional font used here, the letter “M” is
wider than the letter “l”. Thus, “MMMMM” is wider
than “lllll.”
resolution The fineness with which a scanner, printer, or other
device produces information. It is expressed in dots per
inch (dpi). A higher dpi produces a sharper image.
swap file An area of the hard disk that is used for temporary data
storage when RAM is low or used up. This is also
known as virtual memory. A swap file lets you run
more programs than you could with actual memory, but
it is slower than using regular memory.
text file A file containing information in text form; its contents
are interpreted as characters encoded using the ASCII
(or comparable) format.
TIFF An abbreviation for tagged image file format. This is a
standard graphic file format for grayscale and high-res-
olution bit-mapped images.
Glossary term Term definition