User's Manual

Glossary
CPU
Short for “central processing unit”.
Cursor/pointer
A special element on the screen, called the cursor when
working in text and the pointer when working with a mouse.
This display element can be moved with the mouse, the arrow
keys or a digitizer and is used to enter text or graphical
information at a specific point or location.
Data medium
A medium for the permanent storage of data. These include
diskettes, CD/DVD-ROMs, hard disks, magnetic tape and
other devices.
Defragmenter
A program that changes the location of data elements on a
disk so that individual files are saved at a single location for
faster processing.
Desktop
A general designation for the area in Windows that is
normally seen first after a user logs on. Icons can be saved
here, and this area also includes the Start menu, the taskbar
and the notification area next to the clock.
Device driver
A special program that controls devices and expansion cards,
expanding or adapting the operating system.
Dialog
A set of associated options that are shown on the screen in the
form of a window or box in which settings can be configured.
Dial-up network
This Windows function allows computers to create or access
networks by means of modems, ISDN adapters and DSL
modems, for example. This function is also used to access
online services.
116 TuneUp Utilities 2004