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Glossary
Application Software:
Software that is used to perform a specific function,
e.g., image processing, OCR (Optical Character Recognition), or DTP
(Desktop Publishing).
Black and White:
A 1-bit image file capable of only displaying black and
white image data with no intermediate gray levels.
Document Cover:
The plastic cover that is lowered over a document on the
scanner’s object glass.
Folder:
An electronic storage area used to store and organize files and other
folders and is often represented on a computer screen by a folder-like icon.
Grayscale:
An 8-bit image file capable of representing all tones and colors
in the image using 256 shades of gray.
Icon:
The graphical representation of a computer file or piece of computer
software.
Indicator Panel:
The area of the scanner that contains the LED indicators
to show scanner status.
Non-TWAIN Driver:
An interfacing system that does not follow the
TWAIN standard and is designed for a specific software package and a
specific image input device.
Object Glass:
The tempered glass of the scanner where documents or
objects to be scanned are placed.
Optical Assembly:
The component system of the scanner that contains all
of the optical components. Sometimes referred to as a carriage or carriage
assembly.
Peripheral Device:
A device attached to a computer that adds functionality
to a computer system.
Power Indicator:
The indicator that glows when the scanner’s power cable
is connected to the scanner and a “live” outlet and the power switch is
turned on.
Transparency Adapter:
A scanner option that consists of additional
hardware allowing the scanning of transparent originals, such as slides or X
rays.
TWAIN Compliant:
Any software or image input device that conforms to
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