Epson TWAIN PRO Network Setup Guide download pdf (Page 117)

Glossary

monochrome

Blackandwhiteimages,orimagesrepresentedonlybytheintensityof

luminosity.

OCR (Optical Character Recognition)

The technology that allows computers to "read" text from physical objects. OCR

requires a graphical representation of text to interpret, which usually comes from

ascannedimage.

pixel

Short for picture element. Each image is composed of a number of pixels. Pixels

are also counted in units of dots.

port

An interface channel through which data is transmitted between devices.

resolution

Indication of how finely an image is resolved into pixels. Can be 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

others.

SCSI ID

The numbers that all devices in a SCSI connection (see daisy chain)usetoidentify

each other. If the same ID number is used by two devices in the same daisy chain,

the devices cannot operate properly.

terminator

A device that stops electronic signals, and prevents them from proceeding or

returning to other devices. This is necessary to stop a signal from continuously

reflecting between devices.

USB

Universal Serial Bus. A hardware interface for connecting low-speed peripherals

such as a keyboard, mouse, scanner, or printer to the computer.

USB hub

AdevicethatnormallyprovidesfourTypeAsocketstoincreasethenumberof

USB ports on a PC.

1 2 ... 112 113 114 115 116 117

No comments

Epson TWAIN PRO Network Setup Guide Page 117