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Toshiba Equium A100 (PSAA4) User Manual

Page 152

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User’s Manual

Glossary-7

Glossary

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 the printer, the printer is said to echo the

CRT.

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

IBM Enhanced Graphics Adapter and its associated circuitry for

direct drive TTL displays that supports 16-color/monochrome

640 × 350 and 16-color 640 × 200 and 320 × 200 graphics, and 16-

color 640 × 350 and 320 × 350 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), signaling 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): See diskette drive.
floppy disk: See diskette.
Fn-esse: A TOSHIBA utility that lets you assign functions to hotkeys.
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 labeled F1 through F12 that tell the computer to

perform certain functions.

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