Fujitsu Lifebook U810 User Manual page 127

CardBus
A faster, 32-bit version of the PC Card interface which offers performance similar to the 32-bit PCI
architecture.
CD-ROM
Compact disk read only memory. This is a form of digital data storage which is read optically with a
laser rather than a magnetic head. A typical CD-ROM can contain about 600MB of data and is not
subject to heads crashing into the surface and destroying the data when there is a failure nor to wear
from reading.
Channel
Range of narrow-band frequencies used by the WLAN device to transmit data. IEEE802.11b/g - 11
channels, 22 MHz wide channels.
Command
An instruction which you give your operating system. Example: run a particular application or format
a floppy disk.
Configuration
The combination of hardware and software that makes up your system and how it is allocated for use.
CRT
Cathode Ray Tube. A display device which uses a beam of electronic particles striking a luminescent
screen. It produces a visual image by varying the position and intensity of the beam.
Data
The information a system stores and processes.
DC
Direct current. A voltage or current that does not fluctuate periodically with time.
127 - Glossary