HP Compaq Presario,Presario 5116 Quick Start Manual page 163

session. Additional characteristics are
defined in the Blue Book standard. An
alternative to mixed-mode for combining
standard CD-DA audio, which can be
played in a normal audio player, and a
computer application, on a single CD.
CD-R drive to record or write data that
cannot be erased.
used in a CD-ROM drive. The data is read-
only; you cannot erase or record over it.
The disc has three layers. The base is a
circular piece of clear plastic,
mechanically stamped with tiny
indentations, or pits, in which digital data
is written.
A drive that reads a
CD-ROM (or music CD) by shining a laser
into the clear plastic base and interpreting
the way the laser light is reflected by the
shiny aluminium layer. The CD-ROM
drive is read-only; it cannot write to a disc.
CD-RW drive to record data that can be
overwritten thousands of times.
A drive with three laser
powers that can write to a CD-RW, erase
the data, or read the data. A high-power
laser melts the crystalline recording layer.
A CD-RW drive can read CD-ROMs,
CD-Rs, and CD-RWs. It can write to both
CD-Rs and CD-RWs.
An Internet feature that allows you to
exchange typed messages with another
person (or a group of people) in real time.
Media used in a
Media
Media used in a
A message you type instantly displays on
the other person's computer.
To press and quickly
release the left mouse button to select an
item.
To "close" a recordable disc so
that no further data can be written to it.
This is done when the last session's lead-in
is written.
When a session is closed,
information about its contents is written
into the CD's Table of Contents, and a
lead-in and lead-out are written to prepare
the CD for subsequent session.
Pressing and holding
down the Ctrl key, then the Alt key, then
the Delete key, and then releasing all three
keys, to close a program that is locked (not
responding). (Unsaved data is lost.) 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. Before installing new software,
close all open programs. Then use
Ctrl+Alt+Delete to close all programs,
one by one, that run in the background—
except Windows Explorer and Systray.
These two programs are needed for the
installation. If you accidentally close
Windows Explorer or Systray, shut down
the computer. Restart the computer and
close the programs again. Insert the
installation CD (or diskette), and follow
the manufacturer's instructions. Closing all