Dell AXIM X30 - Manual (Page 162)

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162 Appendix
R A S — remote access server — A type of server that allows users to access a
network from a remote location.
R O M — read-only memory — Memory that stores data and programs that
cannot be deleted or written to by the device. ROM, unlike RAM, retains its
contents after you perform a reset. Some programs essential to the operation of
your device reside in ROM.
S D R A M — synchronous dynamic random-access memory — A type of DRAM
that is synchronized with the optimal clock speed of the microprocessor.
S ECURE D IGITAL CARD — A type of removable memory commonly used in
digital cameras, handheld devices, cell phones, and other devices. Secure Digital
cards are approximately the size of a postage stamp.
SERIAL CONNECTOR — An I/O port often used to connect devices such as a
handheld digital device or digital camera to your computer.
S M S — short message service — A service that is capable of sending short
messages to wireless devices.
S M T P — simple mail transfer protocol — A type of protocol used for sending
and receiving e-mail. SMTP is typically coupled with POP3 or IMAP.
SYNC CABLE — A cable through which you can connect a handheld device to a
computer to transfer or synchronize files.
SYNCHRONIZATION — An automated process that replaces the files in one
location with the most updated files from another location. For example, you can
synchronize the files on your computer with the files on your handheld device.
T C P / I P — transmission control protocol/Internet protocol — The basic
communication language of the Internet. TCP/IP can also be used as a
communication protocol in an intranet or extranet.
U S B — universal serial bus — A hardware interface for a low-speed device such
as a USB-compatible keyboard, mouse, joystick, scanner, set of speakers, printer,
broadband devices (DSL and cable modems), imaging devices, or storage devices.
Devices are plugged directly into a 4-pin socket on your computer or into a
multiport hub that plugs into your computer. USB devices can be connected and
disconnected while the computer is turned on, and they can also be daisy-chained
together.
V P N — virtual private network — A set of communication protocols that allows
remote users to securely access a network.
W A P — wireless application protocol — A standardization for the way that
wireless devices access the Internet.
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