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Toshiba Portege S100 User Manual

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Glossary-6

User’s Manual

Glossary

delete: To remove data from a disk or other data storage device.

Synonymous with erase.

device driver: A program that controls communication between a specific

peripheral device and the computer. The CONFIG.SYS file contains

device drivers that MS-DOS loads when you turn the computer on.

dialog box: A window that accepts user input to make system settings or

record other information.

disk drive: The device that randomly accesses information on a disk and

copies it to the computer’s memory. It also writes data from memory

to the disk. To accomplish these tasks, the unit physically rotates the

disk at high speed past a read-write head.

disk storage: Storing data on magnetic disk. Data is arranged on

concentric tracks much like a phonograph record.

display: A CRT, LCD, or other image producing device used to view

computer output.

documentation: The set of manuals and/or other instructions written for

the users of a computer system or application. Computer system

documentation typically includes procedural and tutorial information

as well as system functions.

DOS: Disk Operating System. See operating system.
driver: A software program, generally part of the operating system, that

controls a specific piece of hardware (frequently a peripheral device

such as a printer or mouse).

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.

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.