Glossary
AC Adapter
A device which converts the AC voltage from a wall outlet to the DC voltage needed to power your LifeBook notebook.
Active-Matrix Display
A type of technology for making
BIOS
Basic
Bit
An abbreviation for binary digit. A single piece of information which is either a one (1) or a zero (0).
bps
An abbreviation for bits per second. Used to describe data transfer rates.
Boot
To
Bus
An electrical circuit which passes data between the CPU and the
Byte
8 bits of parallel binary information.
Cache Memory
A block of memory built into the microprocessor which is much faster to access than your system RAM and used in specially structured ways to make your overall data handling time faster.
CardBus
A faster,
G l o s s a r y
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.
DDR
Double Data Rate
Fast version of SDRAM that provides twice the band- width of standard SDRAMs.
Default Value
A
DIMM
DISE
Drive Image Special Edition (DISE) by PowerQuest. Provides a way to restore your computer if you experi- ence a hard disk crash or other system failure. DISE is used to restore the factory image and restore the system to its original state.
Disk
A spinning platter of magnetic data storage media. If the platter is very stiff it is a hard drive, if it is highly flexible it is a floppy disk, if it is a floppy disk in a hard housing with a shutter it is commonly called a diskette.
Disk Drive
The hardware which spins the disk and has the heads and control circuitry for reading and writing the data on the disk.
Diskette
A floppy disk in a hard housing with a shutter.
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