Glossary
Portégé A100
5
Portégé A100
Version
2
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as
disk storage:
Storing data on magnetic disk. Data is arranged on
concentric tracks much like a phonograph record.
diskette:
A removable disk that stores magnetically encoded data used
on a microcomputer. Also called floppy disk.
display:
A CRT, plasma screen, 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.
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:
A Digital Versatile Disc-Recordable disk can be written once and
read many times.
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 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 drive uses a laser to read data from the
disc.
DVD-RW:
A Compact Disc-Read/Write 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:
1) A code (ASCII code 27), signalling 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.
