<s>
A	O
graphics	B-Operating_System
device	I-Operating_System
interface	I-Operating_System
is	O
a	O
subsystem	O
that	O
most	O
operating	O
systems	O
use	O
for	O
representing	O
graphical	O
objects	O
and	O
transmitting	O
them	O
to	O
output	B-Device
devices	I-Device
such	O
as	O
monitors	B-Device
and	O
printers	O
.	O
</s>
<s>
In	O
most	O
cases	O
,	O
the	O
graphics	B-Operating_System
device	I-Operating_System
interface	I-Operating_System
is	O
only	O
able	O
to	O
draw	O
2D	O
graphics	O
and	O
simple	O
3D	O
graphics	O
,	O
in	O
order	O
to	O
make	O
use	O
of	O
more	O
advanced	O
graphics	O
and	O
keep	O
performance	O
,	O
an	O
API	O
such	O
as	O
DirectX	B-Application
or	O
OpenGL	B-Application
needs	O
to	O
be	O
installed	O
.	O
</s>
<s>
In	O
Microsoft	B-Application
Windows	I-Application
,	O
the	O
GDI	O
functionality	O
resides	O
in	O
gdi.exe	O
on	O
16-bit	O
Windows	B-Application
,	O
and	O
gdi32.dll	O
on	O
32-bit	B-Application
Windows	I-Application
.	O
</s>
