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Toshiba Portege M800 User Manual

Page 168

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User’s Manual

Glossary-7

Glossary

erase: See delete.
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.

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.

execute: To interpret and execute an instruction.

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.

fingerprint sensor: The fingerprint sensor compares and analyzes the

unique characteristics in a fingerprint.

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

directs a microprocessor’s activities.

flash memory: Non-volatile memory that can be written to as well as read.

Information in flash memory remains whether or not the computer is

receiving power. This type of memory is used to retain your

fingerprint data. See also memory. Compare RAM and ROM.

floppy diskette: A removable disk that stores magnetically encoded data.
floppy diskette drive (FDD): An electromechanical device that reads and

writes to floppy diskettes.

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.

G

gigabyte (GB): A unit of data storage equal to 1024 megabytes. See also

megabyte.

graphics: Drawings, pictures, or other images, such as charts or graphs, to

present information.