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Glossary
page 53
LaCie silverscreen
User’s Manual
ID3 Tag –
An embedded tag in MP3 files that communicates a song’s title, artist and album. These tags can be edited.
Initialize, -ed, Initialization –
After a hard drive (or other storage device) is formatted and partitioned, some special data
needs to be written to it that helps the Mac and Windows create files and save data. The process is called initialization. This
process, like formatting, causes all user data on the storage device to be lost.
Kb (Kilobit) –
Equivalent to 1,000 bits.
Kb/s –
Kilobits per second. 480Kb/s is equal to 60KB/s.
KB (KiloByte) –
Basically, this means 1,000 bytes, but it is actually 1,024 bytes.
KB/s –
Kilobytes per second. A means of measuring throughput.
Mb (Megabit) –
Equivalent to 1,000,000 bits.
Mb/s –
Megabits per second. A means of measuring throughput. 480Mb/s is equal to 60MB/s.
MB (Megabyte) –
Basically means one million bytes, but is actually 1,024 Kilobytes or 1,024 x 1,024 bytes, which equals
1,048,576 bytes.
MB/s –
Megabytes per second. A means of measuring throughput.
MPEG (Motion Picture Experts Group) –
These are the developers of the MPEG-1 (VideoCDs), MPEG-2 (DVDs and
SuperVCDs) and MPEG-4 (DivX®, WMV) video compression standards. The MPEG group is also responsible for the
devlopment of the MP3 and AAC audio compression standards.
NTSC (National Television Standards Committee) –
This group is responsible for the development of a set of protocols used
for transmission and reception of TV broadcasts in the United States. An NTSC image has 525 horizontal lines per frame,
which are interlaced from left to right, top to bottom. NTSC signals are not directly compatible with computer systems. There
are two other standards which are used in other parts of the world: PAL and SECAM.
PAL (Phase Alternation Line) –
This is the analog TV display commonly used in Europe. The PAL image has 625 horizontal
lines per frame, and the color definition differs slightly from the NTSC standard.
Utility –
Software designed to perform maintenance tasks on the system or its components. Examples include backup
programs, programs to retrieve files and data on disk, programs for preparing (or formatting) a disk or and resource editors.