Fujitsu LIFEBOOK U772 Ultrabook Guide D'utilisation page 108

BIOS
Basic Input-Output System. A program and set of default parameters stored in ROM which tests and operates your
LIFEBOOK Ultrabook when you turn it on until it loads your installed operating system from disk. Information from
the BIOS is transferred to the installed operating system to provide it with information on the configuration and status
of the hardware.
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 start-up a computer and load its operating system from disk, ROM or other storage media into RAM.
Bus
An electrical circuit which passes data between the CPU and the sub-assemblies inside your LIFEBOOK Ultrabook.
Byte
8 bits of parallel binary information.
Cache Memory
A block of memory built into the micro-processor which is much faster to access than your system RAM and used in
specially structured ways to make your overall data handling time faster.
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.
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