<s>
A	O
graphics	B-Device
tablet	I-Device
(	O
also	O
known	O
as	O
a	O
digitizer	O
,	O
digital	O
graphic	B-Device
tablet	I-Device
,	O
pen	B-Device
tablet	I-Device
,	O
drawing	B-Device
tablet	I-Device
,	O
external	O
drawing	O
pad	O
or	O
digital	O
art	O
board	O
)	O
is	O
a	O
computer	O
input	B-Device
device	I-Device
that	O
enables	O
a	O
user	O
to	O
hand-draw	O
images	O
,	O
animations	O
and	O
graphics	O
,	O
with	O
a	O
special	O
pen-like	O
stylus	B-Device
,	O
similar	O
to	O
the	O
way	O
a	O
person	O
draws	O
images	O
with	O
a	O
pencil	O
and	O
paper	O
.	O
</s>
<s>
These	O
tablets	B-Device
may	O
also	O
be	O
used	O
to	O
capture	O
data	O
or	O
handwritten	O
signatures	O
.	O
</s>
<s>
It	O
can	O
also	O
be	O
used	O
to	O
trace	O
an	O
image	O
from	O
a	O
piece	O
of	O
paper	O
that	O
is	O
taped	O
or	O
otherwise	O
secured	O
to	O
the	O
tablet	B-Device
surface	O
.	O
</s>
<s>
The	O
device	O
consists	O
of	O
a	O
rough	O
surface	O
upon	O
which	O
the	O
user	O
may	O
"	O
draw	O
"	O
or	O
trace	O
an	O
image	O
using	O
the	O
attached	O
stylus	B-Device
,	O
a	O
pen-like	O
drawing	O
apparatus	O
.	O
</s>
<s>
The	O
image	O
is	O
shown	O
on	O
the	O
computer	B-Device
monitor	I-Device
,	O
though	O
some	O
graphic	B-Device
tablets	I-Device
now	O
also	O
incorporate	O
an	O
LCD	B-Device
screen	I-Device
for	O
more	O
realistic	O
or	O
natural	O
experience	O
and	O
usability	O
.	O
</s>
<s>
Some	O
tablets	B-Device
are	O
intended	O
as	O
a	O
replacement	O
for	O
the	O
computer	B-Device
mouse	I-Device
as	O
the	O
primary	O
pointing	O
and	O
navigation	O
device	O
for	O
desktop	O
computers	O
.	O
</s>
<s>
The	O
first	O
graphic	B-Device
tablet	I-Device
resembling	O
contemporary	O
tablets	B-Device
and	O
used	O
for	O
handwriting	B-Application
recognition	I-Application
by	O
a	O
computer	O
was	O
the	O
Stylator	O
in	O
1957	O
.	O
</s>
<s>
Better	O
known	O
(	O
and	O
often	O
misstated	O
as	O
the	O
first	O
digitizer	B-Device
tablet	I-Device
)	O
is	O
the	O
RAND	B-Device
Tablet	I-Device
also	O
known	O
as	O
the	O
Grafacon	B-Device
(	O
for	O
Graphic	O
Converter	O
)	O
,	O
introduced	O
in	O
1964	O
.	O
</s>
<s>
The	O
RAND	B-Device
Tablet	I-Device
employed	O
a	O
grid	O
of	O
wires	O
under	O
the	O
surface	O
of	O
the	O
pad	O
that	O
encoded	O
horizontal	O
and	O
vertical	O
coordinates	O
in	O
a	O
small	O
electrostatic	O
signal	O
.	O
</s>
<s>
The	O
stylus	B-Device
received	O
the	O
signal	O
by	O
capacitive	O
coupling	O
,	O
which	O
could	O
then	O
be	O
decoded	O
back	O
as	O
coordinate	O
information	O
.	O
</s>
<s>
The	O
acoustic	B-Device
tablet	I-Device
,	O
or	O
spark	O
tablet	B-Device
,	O
used	O
a	O
stylus	B-Device
that	O
generated	O
clicks	O
with	O
a	O
spark	O
plug	O
.	O
</s>
<s>
The	O
ID	O
model	O
was	O
the	O
first	O
graphics	B-Device
tablet	I-Device
to	O
make	O
use	O
of	O
what	O
was	O
at	O
the	O
time	O
,	O
the	O
new	O
Intel	O
microprocessor	B-Architecture
technology	O
.	O
</s>
<s>
The	O
Bit	O
Pad	O
model	O
was	O
the	O
first	O
attempt	O
at	O
a	O
low	O
cost	O
graphics	B-Device
tablet	I-Device
with	O
an	O
initial	O
selling	O
price	O
of	O
$555	O
when	O
other	O
graphics	B-Device
tablets	I-Device
were	O
selling	O
in	O
the	O
$	O
2,000	O
to	O
$	O
3,000	O
price	O
range	O
.	O
</s>
<s>
These	O
digitizers	O
were	O
used	O
as	O
the	O
input	B-Device
device	I-Device
for	O
many	O
high-end	O
CAD	B-Application
(	O
Computer	B-Application
Aided	I-Application
Design	I-Application
)	O
systems	O
as	O
well	O
as	O
bundled	O
with	O
PCs	O
and	O
PC-based	O
CAD	B-Application
software	I-Application
like	O
AutoCAD	B-Algorithm
.	O
</s>
<s>
These	O
tablets	B-Device
used	O
a	O
magnetostriction	O
technology	O
which	O
used	O
wires	O
made	O
of	O
a	O
special	O
alloy	B-Application
stretched	O
over	O
a	O
solid	O
substrate	O
to	O
accurately	O
locate	O
the	O
tip	O
of	O
a	O
stylus	B-Device
or	O
the	O
center	O
of	O
a	O
digitizer	O
cursor	O
on	O
the	O
surface	O
of	O
the	O
tablet	B-Device
.	O
</s>
<s>
In	O
1981	O
,	O
musician	O
Todd	O
Rundgren	O
created	O
the	O
first	O
color	O
graphic	B-Device
tablet	I-Device
software	O
for	O
personal	O
computers	O
,	O
which	O
was	O
licensed	O
to	O
Apple	O
as	O
the	O
Utopia	O
Graphic	B-Device
Tablet	I-Device
System	O
.	O
</s>
<s>
In	O
1981	O
also	O
was	O
released	O
an	O
Quantel	O
Paintbox	O
color	O
graphic	O
workstation	O
;	O
This	O
model	O
was	O
equipped	O
with	O
a	O
first	O
pressure	O
sensitive	O
tablet	B-Device
.	O
</s>
<s>
The	O
first	O
home	O
computer	O
graphic	B-Device
tablet	I-Device
was	O
the	O
KoalaPad	B-Application
,	O
released	O
in	O
1983	O
.	O
</s>
<s>
Though	O
originally	O
designed	O
for	O
the	O
Apple	B-Device
II	I-Device
,	O
the	O
Koala	O
eventually	O
broadened	O
its	O
applicability	O
to	O
practically	O
all	O
home	O
computers	O
with	O
graphic	O
support	O
,	O
examples	O
of	O
which	O
include	O
the	O
TRS-80	B-Device
Color	I-Device
Computer	I-Device
,	O
Commodore	O
64	O
,	O
and	O
Atari	B-Device
8-bit	I-Device
family	I-Device
.	O
</s>
<s>
Competing	O
tablets	B-Device
were	O
eventually	O
produced	O
;	O
the	O
tablets	B-Device
produced	O
by	O
Atari	O
were	O
generally	O
considered	O
to	O
be	O
of	O
high	O
quality	O
.	O
</s>
<s>
In	O
the	O
1980s	O
,	O
several	O
vendors	O
of	O
graphic	B-Device
tablets	I-Device
began	O
to	O
include	O
additional	O
functions	O
,	O
such	O
as	O
handwriting	B-Application
recognition	I-Application
and	O
on-tablet	O
menus	O
.	O
</s>
<s>
Typically	O
tablets	B-Device
are	O
characterized	O
by	O
size	O
of	O
the	O
device	O
,	O
drawing	O
area	O
,	O
its	O
resolution	O
size	O
( «	O
active	O
area»	O
,	O
which	O
is	O
measured	O
in	O
lpi	O
)	O
,	O
pressure	O
sensitivity	O
(	O
level	O
of	O
varying	O
the	O
size	O
of	O
strokes	O
with	O
pressure	O
)	O
,	O
number	O
of	O
buttons	O
and	O
types	O
and	O
number	O
of	O
interfaces	O
:	O
Bluetooth	B-Protocol
,	O
USB	B-Protocol
;	O
etc	O
.	O
</s>
<s>
There	O
have	O
been	O
many	O
attempts	O
to	O
categorize	O
the	O
technologies	O
that	O
have	O
been	O
used	O
for	O
graphic	B-Device
tablets	I-Device
:	O
</s>
<s>
Passive	O
tabletsPassive	O
tablets	B-Device
make	O
use	O
of	O
electromagnetic	O
induction	O
technology	O
,	O
where	O
the	O
horizontal	O
and	O
vertical	O
wires	O
of	O
the	O
tablet	B-Device
operate	O
as	O
both	O
transmitting	O
and	O
receiving	O
coils	O
(	O
as	O
opposed	O
to	O
the	O
wires	O
of	O
the	O
RAND	B-Device
Tablet	I-Device
which	O
only	O
transmit	O
)	O
.	O
</s>
<s>
The	O
tablet	B-Device
generates	O
an	O
electromagnetic	O
signal	O
,	O
which	O
is	O
received	O
by	O
the	O
LC	O
circuit	O
in	O
the	O
stylus	B-Device
.	O
</s>
<s>
The	O
wires	O
in	O
the	O
tablet	B-Device
then	O
change	O
to	O
a	O
receiving	O
mode	O
and	O
read	O
the	O
signal	O
generated	O
by	O
the	O
stylus	B-Device
.	O
</s>
<s>
Modern	O
arrangements	O
also	O
provide	O
pressure	O
sensitivity	O
and	O
one	O
or	O
more	O
buttons	O
,	O
with	O
the	O
electronics	O
for	O
this	O
information	O
present	O
in	O
the	O
stylus	B-Device
.	O
</s>
<s>
On	O
older	O
tablets	B-Device
,	O
changing	O
the	O
pressure	O
on	O
the	O
stylus	B-Device
nib	O
or	O
pressing	O
a	O
button	O
changed	O
the	O
properties	O
of	O
the	O
LC	O
circuit	O
,	O
affecting	O
the	O
signal	O
generated	O
by	O
the	O
pen	O
,	O
which	O
modern	O
ones	O
often	O
encode	O
into	O
the	O
signal	O
as	O
a	O
digital	O
data	O
stream	O
.	O
</s>
<s>
By	O
using	O
electromagnetic	O
signals	O
,	O
the	O
tablet	B-Device
is	O
able	O
to	O
sense	O
the	O
stylus	B-Device
position	O
without	O
the	O
stylus	B-Device
having	O
to	O
even	O
touch	O
the	O
surface	O
,	O
and	O
powering	O
the	O
pen	O
with	O
this	O
signal	O
means	O
that	O
devices	O
used	O
with	O
the	O
tablet	B-Device
never	O
need	O
batteries	O
.	O
</s>
<s>
Active	O
tablets	B-Device
Active	O
tablets	B-Device
differ	O
in	O
that	O
the	O
stylus	B-Device
used	O
contains	O
self-powered	O
electronics	O
that	O
generate	O
and	O
transmit	O
a	O
signal	O
to	O
the	O
tablet	B-Device
.	O
</s>
<s>
These	O
styluses	O
rely	O
on	O
an	O
internal	O
battery	O
rather	O
than	O
the	O
tablet	B-Device
for	O
their	O
power	O
,	O
resulting	O
in	O
a	O
bulkier	O
stylus	B-Device
.	O
</s>
<s>
Eliminating	O
the	O
need	O
to	O
power	O
the	O
pen	O
means	O
that	O
such	O
tablets	B-Device
may	O
listen	O
for	O
pen	O
signals	O
constantly	O
,	O
as	O
they	O
do	O
not	O
have	O
to	O
alternate	O
between	O
transmit	O
and	O
receive	O
modes	O
,	O
which	O
can	O
result	O
in	O
less	O
jitter	O
.	O
</s>
<s>
Optical	O
tablets	B-Device
Optical	O
tablets	B-Device
operate	O
by	O
a	O
very	O
small	O
digital	O
camera	O
in	O
the	O
stylus	B-Device
and	O
then	O
doing	O
pattern	O
matching	O
on	O
the	O
image	O
of	O
the	O
paper	O
.	O
</s>
<s>
Acoustic	O
tabletsEarly	O
models	O
were	O
described	O
as	O
spark	O
tablets	B-Device
—	O
a	O
small	O
sound	O
generator	O
was	O
mounted	O
in	O
the	O
stylus	B-Device
,	O
and	O
the	O
acoustic	O
signal	O
picked	O
up	O
by	O
two	O
microphones	O
placed	O
near	O
the	O
writing	O
surface	O
.	O
</s>
<s>
Capacitive	O
tabletsThese	O
tablets	B-Device
have	O
also	O
been	O
designed	O
to	O
use	O
an	O
electrostatic	O
or	O
capacitive	O
signal	O
.	O
</s>
<s>
Scriptel	O
's	O
designs	O
are	O
one	O
example	O
of	O
a	O
high-performance	O
tablet	B-Device
detecting	O
an	O
electrostatic	O
signal	O
.	O
</s>
<s>
Unlike	O
the	O
type	O
of	O
capacitive	O
design	O
used	O
for	O
touchscreens	B-Device
,	O
the	O
Scriptel	O
design	O
is	O
able	O
to	O
detect	O
the	O
position	O
of	O
the	O
pen	O
while	O
it	O
is	O
in	O
proximity	O
to	O
or	O
hovering	O
above	O
the	O
tablet	B-Device
.	O
</s>
<s>
Many	O
multi-touch	O
tablets	B-Device
use	O
capacitive	O
sensing	O
.	O
</s>
<s>
For	O
all	O
these	O
technologies	O
,	O
the	O
tablet	B-Device
can	O
use	O
the	O
received	O
signal	O
to	O
also	O
determine	O
the	O
distance	O
of	O
the	O
stylus	B-Device
from	O
the	O
surface	O
of	O
the	O
tablet	B-Device
,	O
the	O
tilt	O
(	O
angle	O
from	O
vertical	O
)	O
of	O
the	O
stylus	B-Device
,	O
and	O
other	O
information	O
in	O
addition	O
to	O
the	O
horizontal	O
and	O
vertical	O
positions	O
,	O
such	O
as	O
clicking	O
buttons	O
of	O
the	O
stylus	B-Device
or	O
the	O
rotation	O
of	O
the	O
stylus	B-Device
.	O
</s>
<s>
Compared	O
to	O
touchscreens	B-Device
,	O
a	O
graphic	B-Device
tablet	I-Device
generally	O
offers	O
much	O
higher	O
precision	O
,	O
the	O
ability	O
to	O
track	O
an	O
object	O
which	O
is	O
not	O
touching	O
the	O
tablet	B-Device
,	O
and	O
can	O
gather	O
much	O
more	O
information	O
about	O
the	O
stylus	B-Device
,	O
but	O
is	O
typically	O
more	O
expensive	O
,	O
and	O
can	O
only	O
be	O
used	O
with	O
the	O
special	O
stylus	B-Device
or	O
other	O
accessories	O
.	O
</s>
<s>
Some	O
tablets	B-Device
,	O
especially	O
inexpensive	O
ones	O
aimed	O
at	O
young	O
children	O
,	O
come	O
with	O
a	O
corded	O
stylus	B-Device
,	O
using	O
technology	O
similar	O
to	O
older	O
RAND	B-Device
tablets	I-Device
.	O
</s>
<s>
After	O
styluses	O
,	O
pucks	O
are	O
the	O
most	O
commonly	O
used	O
tablet	B-Device
accessory	O
.	O
</s>
<s>
A	O
puck	O
is	O
a	O
mouse-like	O
device	O
that	O
can	O
detect	O
its	O
absolute	O
position	O
and	O
rotation	O
.	O
</s>
<s>
This	O
is	O
opposed	O
to	O
a	O
mouse	B-Device
,	O
which	O
can	O
only	O
sense	O
its	O
relative	O
velocity	O
on	O
a	O
surface	O
(	O
most	O
tablet	B-Device
drivers	O
are	O
capable	O
of	O
allowing	O
a	O
puck	O
to	O
emulate	O
a	O
mouse	B-Device
in	O
operation	O
,	O
and	O
many	O
pucks	O
are	O
marketed	O
as	O
a	O
"	O
mouse	B-Device
"	O
)	O
.	O
</s>
<s>
Pucks	O
range	O
in	O
size	O
and	O
shape	O
;	O
some	O
are	O
externally	O
indistinguishable	O
from	O
a	O
mouse	B-Device
,	O
while	O
others	O
are	O
a	O
fairly	O
large	O
device	O
with	O
dozens	O
of	O
buttons	O
and	O
controls	O
.	O
</s>
<s>
Professional	O
pucks	O
often	O
have	O
a	O
reticle	O
or	O
loupe	O
which	O
allows	O
the	O
user	O
to	O
see	O
the	O
exact	O
point	O
on	O
the	O
tablet	B-Device
's	O
surface	O
targeted	O
by	O
the	O
puck	O
,	O
for	O
detailed	O
tracing	O
and	O
computer	B-Application
aided	I-Application
design	I-Application
(	O
CAD	B-Application
)	O
work	O
.	O
</s>
<s>
Pucks	O
are	O
still	O
used	O
on	O
the	O
Microsoft	B-Device
Surface	I-Device
range	O
and	O
were	O
recently	O
used	O
on	O
the	O
Dell	O
Canvas	O
.	O
</s>
<s>
Some	O
graphics	B-Device
tablets	I-Device
incorporate	O
an	O
LCD	B-Device
into	O
the	O
tablet	B-Device
itself	O
,	O
allowing	O
the	O
user	O
to	O
draw	O
directly	O
on	O
the	O
display	O
surface	O
.	O
</s>
<s>
Graphic	O
tablet/screen	O
hybrids	O
offer	O
advantages	O
over	O
both	O
standard	O
PC	O
touchscreens	B-Device
and	O
ordinary	O
graphic	B-Device
tablets	I-Device
.	O
</s>
<s>
Unlike	O
touchscreens	B-Device
,	O
they	O
offer	O
pressure	O
sensitivity	O
,	O
and	O
their	O
input	O
resolution	O
is	O
generally	O
higher	O
.	O
</s>
<s>
While	O
their	O
pressure	O
sensitivity	O
and	O
resolution	O
are	O
typically	O
no	O
better	O
than	O
those	O
of	O
ordinary	O
tablets	B-Device
,	O
they	O
offer	O
the	O
additional	O
advantage	O
of	O
directly	O
seeing	O
the	O
location	O
of	O
the	O
physical	O
pen	O
device	O
relatively	O
to	O
the	O
image	O
on	O
the	O
screen	O
.	O
</s>
<s>
The	O
graphic	B-Device
tablet	I-Device
manufacturer	O
[ [ 	O
Xencelabs	O
Technology	O
(	O
company	O
)	O
]	O
and	O
Wacom	O
holds	O
many	O
patents	O
on	O
key	O
technologies	O
for	O
graphic	B-Device
tablets	I-Device
,	O
which	O
forces	O
competitors	O
to	O
use	O
other	O
technologies	O
or	O
license	O
Wacom	O
's	O
patents	O
.	O
</s>
<s>
There	O
have	O
also	O
been	O
do-it-yourself	O
projects	O
where	O
conventional	O
used	O
LCD	B-Device
monitors	I-Device
and	O
graphics	B-Device
tablets	I-Device
have	O
been	O
converted	O
to	O
a	O
graphics	B-Device
tablet-screen	I-Device
hybrid	I-Device
.	O
</s>
<s>
Graphic	B-Device
tablets	I-Device
,	O
because	O
of	O
their	O
stylus-based	O
interface	O
and	O
ability	O
to	O
detect	O
some	O
or	O
all	O
of	O
pressure	O
,	O
tilt	O
,	O
and	O
other	O
attributes	O
of	O
the	O
stylus	B-Device
and	O
its	O
interaction	O
with	O
the	O
tablet	B-Device
,	O
are	O
widely	O
considered	O
to	O
offer	O
a	O
very	O
natural	O
way	O
to	O
create	O
computer	O
graphics	O
,	O
especially	O
two-dimensional	O
computer	O
graphics	O
.	O
</s>
<s>
Indeed	O
,	O
many	O
graphic	O
packages	O
can	O
make	O
use	O
of	O
the	O
pressure	O
(	O
and	O
,	O
sometimes	O
,	O
stylus	B-Device
tilt	O
or	O
rotation	O
)	O
information	O
generated	O
by	O
a	O
tablet	B-Device
,	O
by	O
modifying	O
the	O
brush	O
size	O
,	O
shape	O
,	O
opacity	O
,	O
color	O
,	O
or	O
other	O
attributes	O
based	O
on	O
data	O
received	O
from	O
the	O
graphic	B-Device
tablet	I-Device
.	O
</s>
<s>
In	O
East	O
Asia	O
,	O
graphic	B-Device
tablets	I-Device
,	O
known	O
as	O
"	O
pen	B-Device
tablets	I-Device
"	O
,	O
are	O
widely	O
used	O
in	O
conjunction	O
with	O
input-method	B-General_Concept
editor	I-General_Concept
software	O
(	O
IMEs	O
)	O
to	O
write	O
Chinese	O
,	O
Japanese	O
,	O
and	O
Korean	O
characters	O
(	O
CJK	O
)	O
.	O
</s>
<s>
The	O
technology	O
is	O
popular	O
and	O
inexpensive	O
and	O
offers	O
a	O
method	O
for	O
interacting	O
with	O
the	O
computer	O
in	O
a	O
more	O
natural	O
way	O
than	O
typing	O
on	O
the	O
keyboard	O
,	O
with	O
the	O
pen	B-Device
tablet	I-Device
supplanting	O
the	O
role	O
of	O
the	O
computer	B-Device
mouse	I-Device
.	O
</s>
<s>
Uptake	O
of	O
handwriting	B-Application
recognition	I-Application
among	O
users	O
who	O
use	O
alphabetic	O
scripts	O
has	O
been	O
slower	O
.	O
</s>
<s>
Graphic	B-Device
tablets	I-Device
are	O
commonly	O
used	O
in	O
the	O
artistic	O
world	O
.	O
</s>
<s>
Using	O
a	O
pen-like	O
stylus	B-Device
on	O
a	O
graphic	B-Device
tablet	I-Device
combined	O
with	O
a	O
graphics-editing	O
program	O
,	O
such	O
as	O
Illustrator	B-Language
,	O
Photoshop	B-Operating_System
by	O
Adobe	O
Systems	O
,	O
Corelpainter	B-Operating_System
,	O
or	O
Krita	B-Application
gives	O
artists	O
a	O
lot	O
of	O
precision	O
when	O
creating	O
digital	O
drawings	O
or	O
artwork	O
.	O
</s>
<s>
Photographers	O
can	O
also	O
find	O
working	O
with	O
a	O
graphic	B-Device
tablet	I-Device
during	O
their	O
post	B-Application
processing	I-Application
can	O
really	O
speed	O
up	O
tasks	O
like	O
creating	O
a	O
detailed	O
layer	O
mask	O
or	O
dodging	O
and	O
burning	O
.	O
</s>
<s>
Educators	O
make	O
use	O
of	O
tablets	B-Device
in	O
classrooms	O
to	O
project	O
handwritten	O
notes	O
or	O
lessons	O
and	O
to	O
allow	O
students	O
to	O
do	O
the	O
same	O
,	O
as	O
well	O
as	O
providing	O
feedback	O
on	O
student	O
work	O
submitted	O
electronically	O
.	O
</s>
<s>
Online	O
teachers	O
may	O
also	O
use	O
a	O
tablet	B-Device
for	O
marking	O
student	O
work	O
,	O
or	O
for	O
live	O
tutorials	O
or	O
lessons	O
,	O
especially	O
where	O
complex	O
visual	O
information	O
or	O
mathematical	O
equations	O
are	O
required	O
.	O
</s>
<s>
Tablets	B-Device
are	O
also	O
popular	O
for	O
technical	B-Application
drawings	I-Application
and	O
CAD	B-Application
,	O
as	O
one	O
can	O
typically	O
put	O
a	O
piece	O
of	O
paper	O
on	O
them	O
without	O
interfering	O
with	O
their	O
function	O
.	O
</s>
<s>
Finally	O
,	O
tablets	B-Device
are	O
gaining	O
popularity	O
as	O
a	O
replacement	O
for	O
the	O
computer	B-Device
mouse	I-Device
as	O
a	O
pointing	O
device	O
.	O
</s>
<s>
They	O
can	O
feel	O
more	O
intuitive	O
to	O
some	O
users	O
than	O
a	O
mouse	B-Device
,	O
as	O
the	O
position	O
of	O
a	O
pen	O
on	O
a	O
tablet	B-Device
typically	O
corresponds	O
to	O
the	O
location	O
of	O
the	O
pointer	O
on	O
the	O
GUI	B-Application
shown	O
on	O
the	O
computer	B-Device
screen	I-Device
.	O
</s>
<s>
Those	O
artists	O
using	O
a	O
pen	O
for	O
graphic	O
work	O
may	O
,	O
as	O
a	O
matter	O
of	O
convenience	O
,	O
use	O
a	O
tablet	B-Device
and	O
pen	O
for	O
standard	O
computer	O
operations	O
rather	O
than	O
put	O
down	O
the	O
pen	O
and	O
find	O
a	O
mouse	B-Device
.	O
</s>
<s>
Popular	O
rhythm	O
game	O
osu	B-Application
!	I-Application
</s>
<s>
allows	O
utilizing	O
a	O
tablet	B-Device
as	O
a	O
way	O
of	O
playing	O
.	O
</s>
<s>
Graphic	B-Device
tablets	I-Device
are	O
available	O
in	O
various	O
sizes	O
and	O
price	O
ranges	O
;	O
A6-sized	O
tablets	B-Device
being	O
relatively	O
inexpensive	O
and	O
A3-sized	O
tablets	B-Device
far	O
more	O
expensive	O
.	O
</s>
<s>
Modern	O
tablets	B-Device
usually	O
connect	O
to	O
the	O
computer	O
via	O
a	O
USB	B-Protocol
or	O
HDMI	B-Protocol
interface	O
.	O
</s>
<s>
Interactive	B-Application
whiteboards	I-Application
offer	O
high-resolution	O
wall	O
size	O
graphic	B-Device
tablets	I-Device
up	O
to	O
95	O
"	O
(	O
241	O
,	O
3	O
cm	O
)	O
along	O
with	O
options	O
for	O
pressure	O
and	O
multiple	O
input	O
.	O
</s>
<s>
Earlier	O
resistive	B-Device
touch	I-Device
screen	I-Device
devices	O
(	O
like	O
PDAs	B-Application
,	O
early	O
smartphones	B-Application
,	O
tablet	B-Device
PCs	I-Device
,	O
and	O
the	O
Nintendo	B-Device
DS	I-Device
)	O
were	O
typically	O
equipped	O
with	O
styluses	O
,	O
but	O
accuracy	O
of	O
stylus	B-Device
input	O
was	O
very	O
limited	O
.	O
</s>
<s>
The	O
more	O
modern	O
capacitive	O
touch	B-Device
screens	I-Device
such	O
as	O
those	O
found	O
on	O
some	O
table	B-Device
computers	I-Device
,	O
tablet	B-Device
computers	I-Device
and	O
laptops	B-Device
operate	O
in	O
similar	O
ways	O
,	O
but	O
they	O
usually	O
use	O
either	O
optical	O
grids	O
or	O
a	O
pressure-sensitive	O
film	O
instead	O
so	O
do	O
not	O
need	O
a	O
special	O
pointing	O
device	O
.	O
</s>
<s>
Some	O
of	O
the	O
latest	O
models	O
with	O
capacitive	O
input	O
can	O
be	O
equipped	O
with	O
specialized	O
styluses	O
,	O
and	O
then	O
these	O
input	B-Device
devices	I-Device
can	O
be	O
used	O
similar	O
to	O
full-function	O
graphics	B-Device
tablet	I-Device
.	O
</s>
<s>
A	O
graphic	B-Device
tablet	I-Device
is	O
also	O
used	O
for	O
Audio-Haptic	O
products	O
where	O
blind	O
or	O
visually	O
impaired	O
people	O
touch	O
swelled	O
graphics	O
on	O
a	O
graphic	B-Device
tablet	I-Device
and	O
get	O
audio	O
feedback	O
from	O
that	O
.	O
</s>
<s>
The	O
product	O
that	O
is	O
using	O
this	O
technology	O
is	O
called	O
Tactile	B-General_Concept
Talking	I-General_Concept
Tablet	I-General_Concept
or	O
T3	O
.	O
</s>
