Toshiba Satellite A300D User Manual download pdf (Page 168)

User’s Manual 7

Glossary

DVD-R (+R, -R): A Digital Versatile Disc-Recordable disk can be written

once and read many times. The DVD-R drive uses a laser to read

data from the disc.

DVD-RAM: A Digital Versatile Disc-Random Access Memory is a high

capacity, high performance disc that lets you store large volumes of

data. The DVD-ROM drive uses a laser to read data from the disc.

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.

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.

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.

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Toshiba Satellite A300D User Manual Page 168