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Toshiba Satellite Pro 4320 User Manual

Page 216

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Glossary 6

User's Manual

Satellite Pro 4200/4300 User's Manual – 4200_UK.doc – ENGLISH – Printed on 27/01/00 as IM_420UK

E

echo: To send back a reflection of the transmitted data to the sending

device. You can display the information on the screen, or output it
to the printer, or both. When a computer receives back data it
transmitted to a CRT (or other peripheral device) and then
retransmits the data to printer, the printer is said to echo the CRT.

EGA: Enhanced Graphics Adaptor. A video display protocol defined by the

IBM Enhanced Graphics Adaptor and its associated circuitry for
direct drive TTL displays that supports 16-colour/monochrome
640x350 and 16-colour 640x200 and 320x200 graphics, and
16-colour 640x350 and 320x350 text modes.

erase: See delete.

escape guard time: A time before and after an escape code is sent to the

modem which distinguishes between escapes that are part of the
transmitted data, and escapes that are intended as a command to
the modem.

escape: 1) A code (ASCII code 27), signalling the computer that what

follows are commands; used with peripheral devices such as
printers and modems. 2) A means of aborting the task currently in
progress.

execute: To interpret and execute an instruction.

Extended Capability Port: An industry standard that provides a data

buffer, switchable forward and reverse data transmission, and run
length encoding (RLE) support.

F

fast infrared: An industry standard that enables cableless infrared serial

data transfer at speeds of up to 4 Mbps.

file: A collection of related information; a file can contain data, programs,

or both.

firmware: A set of instructions built into the hardware which controls and

directs a microprocessor’s activities.

fixed disk: See hard disk.

floppy disk drive (FDD): An electromechanical device that reads and

writes to floppy disks. See also diskette.

floppy disk: See diskette.

folder: An icon in Windows used to store documents or other folders.

format: The process of readying a blank disk for its first use. Formatting

establishes the structure of the disk that the operating system
expects before it writes files or programs onto the disk.

function keys: The keys labelled F1 through F12 that tell the computer to

perform certain functions.