Dell Latitude C540 - Manual (Page 165)

A unit of length that equals one thousandth of a meter or 1/25 inch.
modem - A device that allows your computer to communicate with other computers over analog telephone
lines. There are three types of modems: external, PC Card, and internal. You typically use your modem to
connect to the Internet and exchange e-mail.
modular bay - See module bay.
module bay - A bay that supports devices such as a CD, DVD, or CD-RW drive, second battery, or travel
module. Sometimes referred to as modular bay or media bay.
mouse - A pointing device that controls the movement of the cursor on your screen. Typically you roll the
mouse along a hard, flat surface to move the pointer or cursor on your screen.
ms - millisecond
A measure of time that equals one thousandth of a second. Access times of storage devices are often
measured in ms.
N
network adapter - A chip that provides network capabilities. A computer may include a network adapter
on its system board or it may contain a PC Card with an adapter on it. A network adapter is also referred to
as a NIC (network interface controller).
notification area - The section of the Windows taskbar that contains icons for providing quick access to
programs and computer functions, such as the clock, volume control, and print status. Also referred to as
system tray.
ns - nanosecond
A measure of time that equals one billionth of a second.
NVRAM - nonvolatile random access memory
A type of memory that stores data when the computer is turned off or loses its external power source.
O
optical drive - A drive that uses optical technology to read or write data from CDs or DVDs. Examples of
optical drives include CD drives, DVD drives, CD-RW drives, and CD-RW/DVD combo drives.