GCC Printers Elite XL User Manual download pdf (Page 195)

Glossary K-3

Glossary

LocalTalk cable system: Apple’s network cable system used to support an

AppleTalk network system.

megabyte: A unit of measurement equal to 1024 kilobytes, or 1,048,576 bytes.

network: A group of computers and peripheral devices, such as printers, that

are interconnected so they can communicate with each other. A network also

includes the hardware, such as cables that connect the devices, and the software

that allows them to communicate.

outline fonts: Fonts whose characters are built using mathematical representa-

tions.

parity: A bit (number) in serial communication that is used to detect bad data

transmission.

peripheral device: Any device used to input, output, or exchange data. See

device.

port: A communication connection located on the back of a computer and

peripheral device.

PostScript: A high-level page description language. PostScript commands

describe the text and graphic images in a document.

printer description files: Files that allow applications to use printer-specific

features.

printer driver: The software that creates a page description when you want to

print a document. This description is sent to the printer for printing.

printing software: Software needed for printing that includes the printer driver

and other related files.

resolution: The number of dots per unit of length or area.

RAM (Random-Access Memory): Temporary storage area for information.

This information is lost every time the computer is shut down.

ROM (Read-only Memory): Permanent storage area for information.

RS-422: An 8-pin hardware interface that allows the transfer of data in an

asynchronous serial format. It has five user-defined parameters: baud rate, data

bits, stop bits, parity, and flow control. The Elite XL’s RS-422 interface is

shared with the LocalTalk interface.

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GCC Printers Elite XL User Manual Page 195