User's Manual

Appendix C. Glossary
XC6 User’s Handbook 71
and size of hard disk drive, etc.
Default. The preset parameter value automatically selected by the
computer when you or a program do not provide instructions.
Device driver. A program that controls communication between a
specific peripheral device (such as a printer or the pen/stylus) and the
computer.
Disk drive. The physical device that enables the computer to read
from, and write to, a disk.
Display. An image-producing device used to view computer output.
Double-click. To press and release the pen/stylus twice within a time
frame you define, without moving the pointer off the choice.
Hardware. The physical electronic and mechanical components of a
computer system. typically, the computer itself, CPU, memory, etc.
Hertz. A unit of wave frequency that equals one cycle per second.
Interface. 1. Hardware and/or software components used specifically to
connect one computer or device to another. 2. To physically connect one
system or device to another to exchange information. 3. The point of
contact between user, the computer, and the program (for example, the
pen/stylus or a menu).
JBOD. Two drives that appear in Window as two drives, Drive C and
Drive D.
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.