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The type of color scanning in which the entire image is scanned once for each
separation color.
pixel
Short for picture element. Each image is composed of a number of pixels. Pixels are
also counted in units of dots.
plain bi-level
Bi-level image data without the halftoning process.
port
An interface channel through which data is transmitted between devices.
primary colors
Basic colors. See additive primary colors and subtractive primary colors.
resolution
Indication of how finely an image is resolved into pixels. Measured in dots per inch
(dpi), pixels per inch (ppi), or samples per inch (spi).
scan
An operation performed by the sensor and the carriage. The image is divided into
pixels by scanning.
scanning area
The physical size of the image that can be scanned by the scanner.
SCSI
Small Computer System Interface. This is one method used to connect your
computer to peripherals such as scanners, hard disk drives, CD-ROM drives, and so
on.
SCSI ID
The numbers that all devices in a SCSI connection (see daisy chain) use to identify
each other. If the same ID number is used by two devices in the same daisy chain,
the devices cannot operate properly.
subtractive primary colors
Primary colors that produce black when mixed in certain proportion. These are
cyan, magenta, and yellow. In printing, black is often added to give more definition
because mixing of actual inks cannot produce pure black.
terminator
A device that stops electronic signals, and prevents them from proceeding or
returning to other devices. This is necessary to stop one signal from continuously
bouncing between devices, which would stop all electronic traffic between those
devices.
R
GT-5500 Rev.C
A5 size Glossary
July-18-97 DR, pass 0
Glossary
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