XPLORE TECHNOLOGIES ix104c4, User Handbook Manual, Page: 103 / 134

Appendix C. Glossary
iX104C
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User’s Handbook
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Kilobyte (KB) . A unit of 1024 bytes measuring storage space,
typically in memory or on storage media such as a diskette or hard
disk drive.
Local area network (LAN) . Assembly of separate computers into an
integrated network that connects the various computers together and
to common devices such as printers and fax machines.
Light Emitting Diode (LED) . A semiconductor device that emits
light when a current is applied.
Liquid Crystal Display (LCD) . liquid crystal sealed between two
sheets of glass coated with transparent conducting material. Applying
a voltage between the glass sheets darkens the liquid crystal to
provide contrast to lighted portions of the display.
Megabyte (MB) . A unit of data storage equal to 1024 kilobytes.
Megahertz (MHz) . a unit of wave frequency that equals 1 million
cycles per second.
Modem . A device that connects your computer to a telephone line,
allowing it to communicate with another computer at another
location.
PC Card . A plug-in accessory card that conforms to the PCMCIA
standard.
Pen . See stylus .
Peripheral device . An input/output device that is external to the
central processor and/or main memory such as a printer or scanner.
Pixel . Picture elements (tiny dots) that compose a screen image.
Port . The electrical connection through which the computer sends
and receives data to and from devices or other computers.
Program . A set of instructions a computer can execute to tell the
system what to do and how to do it.
Random Access Memory (RAM) . A hardware component of your
computer that temporarily stores active program code and data.