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Toshiba Satellite Pro A120 (PSAC1) User Manual

Page 194

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User’s Manual

Glossary-7

Glossary

DVD-ROM: A Digital Versatile Disc-Read Only Memory is a high capacity,

high performance disc suitable for play back of video and other

high-density files. The DVD-ROM drive uses a laser to read data

from the disc.

DVD-RW (+RW, -RW): A Digital Versatile Disc-ReWritable disc can be

rewritten many times.

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 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.

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

writes to floppy disks.

floppy disk: 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 F12 that tell the computer to

perform certain functions.