<s>
In	O
computing	O
,	O
native	B-Language
software	I-Language
or	O
data-formats	O
are	O
those	O
that	O
were	O
designed	O
to	O
run	O
on	O
a	O
particular	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
In	O
a	O
more	O
technical	O
sense	O
,	O
native	B-Language
code	I-Language
is	O
code	O
written	O
specifically	O
for	O
a	O
certain	O
processor	O
.	O
</s>
<s>
In	O
contrast	O
,	O
cross-platform	B-Operating_System
software	I-Operating_System
can	O
be	O
run	O
on	O
multiple	O
operating	B-General_Concept
systems	I-General_Concept
and/or	O
computer	O
architectures	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
Game	B-Device
Boy	I-Device
receives	O
its	O
software	O
through	O
a	O
cartridge	B-Protocol
,	O
which	O
contains	O
code	O
that	O
runs	O
natively	O
on	O
the	O
Game	B-Device
Boy	I-Device
.	O
</s>
<s>
The	O
only	O
way	O
to	O
run	O
this	O
code	O
on	O
another	O
processor	O
is	O
to	O
use	O
an	O
emulator	B-Application
,	O
which	O
simulates	O
an	O
actual	O
Game	B-Device
Boy	I-Device
.	O
</s>
<s>
For	O
example	O
,	O
in	O
Microsoft	B-Application
Windows	I-Application
the	O
Native	B-Application
API	I-Application
is	O
an	O
application	B-Application
programming	I-Application
interface	I-Application
specific	O
for	O
Windows	B-Device
NT	I-Device
kernel	O
,	O
which	O
can	O
be	O
used	O
to	O
give	O
access	O
to	O
some	O
kernel	O
functions	O
,	O
which	O
cannot	O
be	O
directly	O
accessed	O
through	O
a	O
more	O
universal	O
Windows	B-Library
API	I-Library
.	O
</s>
<s>
When	O
various	O
levels	O
of	O
virtualization	O
take	O
place	O
,	O
the	O
lowest	O
level	O
operating	B-General_Concept
system	I-General_Concept
—	O
the	O
one	O
that	O
actually	O
maintains	O
direct	O
control	O
of	O
the	O
hardware	B-Architecture
—	O
is	O
referred	O
to	O
as	O
a	O
"	O
Native	O
VM	O
,	O
"	O
for	O
example	O
.	O
</s>
<s>
Machine	B-Language
code	I-Language
,	O
also	O
known	O
as	O
native	B-Language
code	I-Language
,	O
is	O
a	O
program	O
which	O
is	O
written	O
in	O
machine	B-Language
language	I-Language
.	O
</s>
<s>
Machine	B-Language
code	I-Language
is	O
usually	O
considered	O
the	O
lowest	O
level	O
of	O
code	O
for	O
a	O
computer	O
,	O
that	O
,	O
in	O
its	O
lowest	O
level	O
form	O
,	O
is	O
written	O
in	O
binary	O
(	O
0s	O
and	O
1s	O
)	O
,	O
but	O
is	O
often	O
written	O
in	O
hexadecimal	O
or	O
octal	O
to	O
make	O
it	O
a	O
little	O
easier	O
to	O
handle	O
.	O
</s>
<s>
These	O
instruction	B-General_Concept
sets	I-General_Concept
are	O
then	O
interpreted	O
by	O
the	O
computer	O
.	O
</s>
<s>
machine	B-Language
code	I-Language
is	O
strictly	O
numerical	O
and	O
usually	O
is	O
n't	O
what	O
programmers	B-Application
program	O
in	O
,	O
due	O
to	O
this	O
complex	O
nature	O
.	O
</s>
<s>
Machine	B-Language
code	I-Language
is	O
also	O
as	O
close	O
as	O
you	O
can	O
get	O
to	O
the	O
processor	O
,	O
so	O
using	O
this	O
language	O
,	O
you	O
are	O
programming	O
specifically	O
for	O
that	O
processor	O
as	O
machine	B-Language
code	I-Language
for	O
each	O
processor	O
may	O
differ	O
.	O
</s>
<s>
Typically	O
programmers	B-Application
will	O
code	O
in	O
high-level	B-Language
languages	I-Language
such	O
as	O
C	B-Language
,	O
C++	B-Language
,	O
Pascal	B-Application
,	O
(	O
or	O
other	O
directly	O
compiled	O
languages	O
)	O
which	O
gets	O
translated	O
into	O
assembly	B-Language
code	I-Language
,	O
which	O
then	O
translates	O
it	O
into	O
machine	B-Language
code	I-Language
(	O
or	O
in	O
most	O
cases	O
the	O
compiler	O
generates	O
machine	B-Language
code	I-Language
directly	O
)	O
.	O
</s>
<s>
Since	O
each	O
CPU	B-General_Concept
is	O
different	O
,	O
programs	O
need	O
to	O
be	O
recompiled	O
or	O
rewritten	O
in	O
order	O
to	O
work	O
on	O
that	O
CPU	B-General_Concept
.	O
</s>
<s>
Applied	O
to	O
data	B-General_Concept
,	O
native	B-Language
data	I-Language
formats	I-Language
or	O
communication	O
protocols	O
are	O
those	O
supported	O
by	O
a	O
certain	O
computer	B-Architecture
hardware	I-Architecture
or	O
software	O
,	O
with	O
maximal	O
consistency	O
and	O
minimal	O
amount	O
of	O
additional	O
components	O
.	O
</s>
<s>
For	O
example	O
,	O
EGA	B-Device
and	O
VGA	B-Protocol
video	O
adapters	O
natively	O
support	O
code	O
page	O
437	O
.	O
</s>
