HP Compaq Presario,Presario 1700 Supplementary Manual page 136

Ctrl+Alt+Delete Pressing and holding
down the Ctrl key, then the Alt key, and
then the Delete key, simultaneously, to
close a program that is locked (not
responding). Use Ctrl+Alt+Delete a
second time to shut down a computer that
is locked. Unsaved data is erased from
memory. When the computer restarts, it
displays an error message that Windows
was not properly shut down, and it scans
the hard disk for errors.
cursor The blinking vertical line on the
screen that indicates where the next
character appears when you type.
data Information that can be processed by
a computer. See digital.
database A collection of similar data that
is designed for easy retrieval
of information.
dedicated line A telephone line that is
always connected to the modem (inside the
computer) to provide constant access to the
Internet. A separate telephone line is used
for phone calls. See modem.
default The option that the software
automatically chooses for you when you
don't indicate a choice yourself. For
example, when you print a document, the
Print dialog box asks which pages to print
(the default is All) and how many copies to
print (the default is 1). You can change the
settings, and you can designate the new
settings as the default.
defragmenting The rearrangement of
files and unused space on your hard disk so
programs can run faster.
desktop See Windows desktop.
dialog box A small window that requests
information from the user before a
command can be carried out.
digital A system that uses electronic
signals to transfer data in the form of bits.
A bit is represented by a single digit.
Computers use only two digits—either a 0
or a 1—in various combinations. See bit
and byte.
discussion group A group discussion
on a topic of mutual interest held on the
Internet. Instead of meeting in a
classroom, students may meet for group
discussions on the Internet.
directory See folder.