Glossary 115
adapter—A device that provides a compatible connection
between two units. For example, the tablet’s internal display
adapter receives information from the software and
translates it into images on the screen. An adapter can take
a number of forms, from a microprocessor to a simple
connector. An intelligent adapter (one that is capable of
doing some processing) may also be called a controller.
Alternating Current (AC)—The type of power usually
supplied to residential and commercial wall outlets. AC
reverses its direction at regular intervals. Compare
Direct
Current (DC).
application—A set of instructions that can be executed by a
tablet.
App shortcut—An application icon that can be placed on a
Home screen. Touching one opens the app without having
to first open the Apps screen. See also
icon
.
Bbackup—A
copy of a file, usually on a removable disk, kept in
case the original file is lost or damaged.
baud rate—The speed at which a communication device, such
as a printer or modem, transmits information. Baud rate is
the number of signal changes per second (not necessarily
the same as bits per second). See also
bits per second
.
bits per second (bps)—A way of measuring the speed at
which information is passed between two devices. This is
the basic unit of measure used in modem communications,
and is similar, but not identical, to the baud rate. See also
baud rate
.
Bluetooth®—A proprietary open wireless technology standard
that uses short wavelength radio transmissions to exchange
data over short distances.
Bluetooth
can transmit from fixed
and mobile devices, and provides a high level of security.
Bookmark—A Shortcut can be created and placed on a Home
screen from a selected browser bookmark. Touching the
icon opens the Web browser to the chosen bookmarked
page. See also
icon
.