Dell Axim X5 User Manual page 156

R OM — 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.
SDRAM — synchronous dynamic random-access memory — A type of DRAM
that is synchronized with the optimal clock speed of the microprocessor.
S D — A type of removable memory commonly used in
E C U R E I G I T A L C A R D
digital cameras, handheld devices, cell phones, and other devices. Secure Digital
cards are approximately the size of a postage stamp.
— An I/O port often used to connect devices such as a
S E R I A L C O N N E C T O R
handheld digital device or digital camera to your computer.
SMS — short message service — A service that is capable of sending short
messages to wireless devices.
SMTP — simple mail transfer protocol — A type of protocol used for sending
and receiving e-mail. SMTP is typically coupled with POP3 or IMAP .
— A cable through which you can connect a handheld device to a
S Y N C C A B L E
computer to transfer or synchronize files.
— An automated process that replaces the files in one
S Y N C H R O N I Z A T I O N
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.
TCP/IP — 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.
USB — 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 PN — virtual private network — A set of communication protocols that allows
remote users to securely access a network.
WAP — wireless application protocol — A standardization for the way that
wireless devices access the Internet.
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Glossar y