Epson PC3000Z User Manual page 53

port
An interface channel through which data is transmitted between
devices.
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).
thumbnails
Small representations of images.
TWAIN
A type of interface protocol that makes input peripherals,
such as scanners or digital cameras, easier to access directly
from application programs.
2
Glossary