120
Acronym/Abbreviation
Full
Spelling
Description
PAL
Phase
Alternating
Line
An
image
format
used
for
commercial
broadcast
in
most
European
countries,
Australia,
and
some
areas
of
Central
America
and
South
America.
In
PAL
format,
the
transmission
rate
is
25
frames
per
second
and
the
resolution
is
625
scan
‐
line
mode
(horizontal).
PPPoE
Point
‐
to
‐
Point
Protocol
over
Ethernet
‐
RAID
Redundant
Array
of
Independent
Disks
A
type
of
multi
‐
disk
management
technology,
which
provides
high
‐
performance
storage
function
featuring
high
data
reliability
at
a
moderate
cost.
RAID5
‐
A
distributed
parity
redundancy
technology
of
the
RAID
class.
Redundant
data
in
the
disk
array
is
distributed
among
all
disks
of
the
array.
An
array
is
composed
of
at
least
three
physical
drives.
UNP
Universal
Network
Passport
‐
VBR
Variable
Bit
Rate
‐
VGA
Video
Graphics
Array
A
video
transmission
standard
launched
by
IMB
with
PS\2
in
1987.
Featuring
a
high
resolution,
a
high
display
rate,
and
rich
colors,
VGA
is
widely
used
in
the
color
display
field.
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