Toshiba PPM78U05L01E User Manual

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User’s Manual
Glossary-7
PORTÉGÉ M780
DVD-RW (+RW, -RW): A Digital Versatile Disc-ReWritable disc can be 
rewritten many times.
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 
retransmits the data to printer, the printer is said to echo the CRT.
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.
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.
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.
floppy diskette: A removable disk that stores magnetically encoded data. 
floppy diskette drive (FDD): An electromechanical device that reads and 
writes to floppy diskettes.
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.