Toshiba NB250 - Manual (Page 120)

User’s Manual Glossary-7
Glossary
DVD+R (Double Layer): A disc having two layers on one side with the
DVD+R storage capacity about 1.8 times larger than before. The
DVD-RW drive uses a laser to read data from the disc.
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 transmits
the data to printer, the printer is said to echo the CRT.
enable: To turn on a computer option. See also disable.
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.
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 drive (FDD): An electromechanical device that reads and
writes to floppy diskettes.
floppy diskette: A removable disk that stores magnetically encoded data.
Fn-esse: A TOSHIBA utility that lets you assign functions to hot keys.
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 F9 that tell the computer to
perform certain functions.