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Sony Notebook User Guide
Glossary
110
nN
CardBus
CardBus is the commercial name for an advanced PC Card. The CardBus technology allows
computer users to enjoy higher performances as far as data transfer and operating speed are
concerned. See PCMCIA.
CD-ROM
Abbreviation for Compact Disc Read-Only Memory. A high-capacity optical disc, usually 650
MB in size, capable of being read from but not written to.
CD-RW
Short for Compact Disc-ReWriteable. Compact Disc that can be used to write or rewrite data
to it. A CD-RW can be written to several times, a CD-R can only be written to once.
CPU
The CPU (Central Processing Unit) is the brains of the computer; it processes the instructions
of your system’s programs. The CPU is also known as the processor or microprocessor and can
be found on the motherboard of your computer.
DC In
The Direct Current interface to which you connect your computer’s AC adapter.
Docking station
An additional device that you can connect to your notebook. The docking station contains
slots for expansion boards , bays for storage devices and ports for additional peripherals
(such as printers or monitors).
Driver
A driver is software enabling you to use hardware devices. For example, in order for you to
be able to use a printer, you must first install its driver. Many drivers, such as the mouse
driver, come with the operating system.
DVD-ROM
Short for Digital Video Disc. A type of read-only CD with a minimum capacity of 4.7 GB
(maximum capacity can reach 17 GB). This high storage power makes it the ideal medium for
storing films.
Term Definition