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Glossary
Apple Compatible Driver
An interface software module for applications other than Photoshop that
support Apple scanners.
Application Software
Software that is used to perform a specific function, e.g., image processing,
OCR (Optical Character Recognition), or DTP (Desktop Publishing).
ASPI
SCSI communication standard developed by Adaptec.
Black and White
A 1-bit image file capable of displaying only black and white image data
with no intermediate gray levels.
DIP Switch
A small switch mounted in or on computer equipment that sets certain
parameters.
Expansion Slot
A connector and bracket system in a computer into which an expansion or
interface card can be inserted to add functions to a computer system.
Expansion Slot Cover
A metal or plastic plate dust cover that covers the exterior "hole" of an
expansion slot.
Folder
The icon in Macintosh systems in which software icons can be placed.
Grayscale
An 8-bit image file capable of displaying up to 256 gray levels.
Halftone Pattern
The pattern that is used when varying the ratio of black and white pixels in
a halftone image.
Halftone
A 1-bit image file capable of displaying gray levels by varying the ratio of
black and white pixels within a given area.
I/O Base Address
An address that is used for communication between a host computer and
an expansion or interface card. All cards in a computer system must be set
to different I/O addresses.
Icon
The graphical representation of a computer file or piece of computer
software.
Indicator Panel
The area of the scanner that holds and displays the LED indicators.
Interface Card
A card that provides additional functions or capabilities for your computer.
These cards are called by various names such as adapter, add-in card,
controller card, expansion card, option card or by the names of the
functions they do such as fax/modem cards, network card, scanner card,
etc. This card is inserted into an expansion slot to allow the connection of a
peripheral device to a PC.
Non-TWAIN Driver
An interface system that does not follow the TWAIN standard and is
designed for a specific software package and a specific image input device.
