<s>
The	O
native	B-General_Concept
resolution	I-General_Concept
of	O
an	O
LCD	B-Device
,	O
LCoS	B-Device
or	O
other	O
flat	B-General_Concept
panel	I-General_Concept
display	I-General_Concept
refers	O
to	O
its	O
single	O
fixed	O
resolution	B-General_Concept
.	O
</s>
<s>
As	O
an	O
LCD	B-Device
consists	O
of	O
a	O
fixed	O
raster	O
,	O
it	O
cannot	O
change	O
resolution	B-General_Concept
to	O
match	O
the	O
signal	O
being	O
displayed	O
as	O
a	O
CRT	B-Device
monitor	I-Device
can	O
,	O
meaning	O
that	O
optimal	O
display	O
quality	O
can	O
be	O
reached	O
only	O
when	O
the	O
signal	O
input	O
matches	O
the	O
native	B-General_Concept
resolution	I-General_Concept
.	O
</s>
<s>
An	O
image	O
where	O
the	O
number	O
of	O
pixels	B-Algorithm
is	O
the	O
same	O
as	O
in	O
the	O
image	O
source	O
and	O
where	O
the	O
pixels	B-Algorithm
are	O
perfectly	O
aligned	O
to	O
the	O
pixels	B-Algorithm
in	O
the	O
source	O
is	O
said	O
to	O
be	O
pixel	B-General_Concept
perfect	I-General_Concept
.	O
</s>
<s>
While	O
CRT	B-Device
monitors	I-Device
can	O
usually	O
display	O
images	O
at	O
various	O
resolutions	O
,	O
an	O
LCD	B-Device
monitor	O
has	O
to	O
rely	O
on	O
interpolation	B-Algorithm
(	O
scaling	O
of	O
the	O
image	O
)	O
,	O
which	O
causes	O
a	O
loss	O
of	O
image	O
quality	O
.	O
</s>
<s>
An	O
LCD	B-Device
has	O
to	O
scale	O
up	O
a	O
smaller	O
image	O
to	O
fit	O
into	O
the	O
area	O
of	O
the	O
native	B-General_Concept
resolution	I-General_Concept
.	O
</s>
<s>
This	O
is	O
especially	O
problematic	O
as	O
most	O
resolutions	O
are	O
in	O
a	O
4:3	O
aspect	O
ratio	O
(	O
640×480	B-General_Concept
,	O
800×600	B-General_Concept
,	O
1024×768	B-General_Concept
,	O
1280×960	O
,	O
1600×1200	O
)	O
but	O
there	O
are	O
odd	O
resolutions	O
that	O
are	O
not	O
,	O
notably	O
1280×1024	O
.	O
</s>
<s>
If	O
a	O
user	O
were	O
to	O
map	O
1024×768	B-General_Concept
to	O
a	O
1280×1024	O
screen	O
there	O
would	O
be	O
distortion	O
as	O
well	O
as	O
some	O
image	O
errors	O
,	O
as	O
there	O
is	O
not	O
a	O
one-to-one	B-Algorithm
mapping	O
with	O
regard	O
to	O
pixels	B-Algorithm
.	O
</s>
<s>
For	O
example	O
,	O
a	O
1600×1200	O
LCD	B-Device
could	O
display	O
an	O
800×600	B-General_Concept
image	O
well	O
,	O
as	O
each	O
of	O
the	O
pixels	B-Algorithm
in	O
the	O
image	O
could	O
be	O
represented	O
by	O
a	O
block	O
of	O
four	O
on	O
the	O
larger	O
display	O
,	O
without	O
interpolation	B-Algorithm
.	O
</s>
<s>
Since	O
800×600	B-General_Concept
is	O
an	O
integer	O
factor	O
of	O
1600×1200	O
,	O
scaling	O
should	O
not	O
adversely	O
affect	O
the	O
image	O
.	O
</s>
<s>
Most	O
LCD	B-Device
monitors	I-Device
are	O
able	O
to	O
inform	O
the	O
PC	B-Device
of	O
their	O
native	B-General_Concept
resolution	I-General_Concept
using	O
Extended	B-General_Concept
display	I-General_Concept
identification	I-General_Concept
data	I-General_Concept
(	O
EDID	B-General_Concept
)	O
;	O
however	O
,	O
some	O
LCD	B-Device
TVs	O
,	O
especially	O
those	O
with	O
1366x768	O
pixels	B-Algorithm
,	O
fail	O
to	O
provide	O
their	O
native	B-General_Concept
resolution	I-General_Concept
and	O
only	O
provide	O
a	O
set	O
of	O
lower	O
resolutions	O
,	O
resulting	O
in	O
a	O
less	O
than	O
pixel	B-General_Concept
perfect	I-General_Concept
output	O
.	O
</s>
<s>
Some	O
widescreen	O
LCD	B-Device
monitors	I-Device
optionally	O
display	O
lower	O
resolutions	O
without	O
scaling	O
or	O
stretching	O
an	O
image	O
,	O
so	O
that	O
the	O
image	O
will	O
always	O
be	O
in	O
full	O
sharpness	O
,	O
although	O
it	O
will	O
not	O
occupy	O
the	O
full	O
screen	O
.	O
</s>
