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Glossary
MP3 A file format that enables music to be played on a computer, using technology that compresses
music data to about 1/10th its original size, with very little negative effect on sound quality.
MPEG2 A technology that efficiently compresses digital video data with outstanding image quality and
is used in DVD-Video (Î page 162) and other media. Another related technology, MPEG1,
uses a lower compression rate than MPEG2, and is used in Video CD (Î page 173).
z This computer supports MPEG2, which is used to play back contents using WinDVD.
N
Network Key Encryption: Î page 162
Notification Area Appears at the right edge of the Taskbar (Î page 172) displayed at the bottom of the screen
(time display and other icons). Tools for changing settings, such as volume adjustments, are
included in this area. Also referred to as System Tray.
NTFS
– NT File System
A file system for recording and managing files and data on Windows NT
®
, Windows
®
2000,
and Windows
®
XP. Before NTFS, FAT (File Allocation Table) was the file system used in DOS
and Windows, but NTFS offers far greater robustness, security, and performance.
P
Partition A region created on a hard disk. One or more partitions can be created on a single hard disk.
With multiple partitions, one disk can be operated as though it is more than one disk. For
example, if a 20GB hard disk is divided into two partitions – a 10GB C Drive and a 10GB D
Drive – then the C drive can operate Windows and other system and application software,
while the D drive can be used for storing data.
M
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