<s>
A	O
sixteen-segment	B-General_Concept
display	I-General_Concept
(	O
SISD	O
)	O
is	O
a	O
type	O
of	O
display	O
based	O
on	O
sixteen	O
segments	O
that	O
can	O
be	O
turned	O
on	O
or	O
off	O
to	O
produce	O
a	O
graphic	O
pattern	O
.	O
</s>
<s>
It	O
is	O
an	O
extension	O
of	O
the	O
more	O
common	O
seven-segment	B-General_Concept
display	I-General_Concept
,	O
adding	O
four	O
diagonal	O
and	O
two	O
vertical	O
segments	O
and	O
splitting	O
the	O
three	O
horizontal	O
segments	O
in	O
half	O
.	O
</s>
<s>
Other	O
variants	O
include	O
the	O
fourteen-segment	B-General_Concept
display	I-General_Concept
which	O
does	O
not	O
split	O
the	O
top	O
or	O
bottom	O
horizontal	O
segments	O
,	O
and	O
the	O
twenty-two-segment	O
display	O
that	O
allows	O
lower-case	O
characters	O
with	O
descenders	O
.	O
</s>
<s>
Often	O
a	O
character	O
generator	O
is	O
used	O
to	O
translate	O
7-bit	O
ASCII	O
character	O
codes	O
to	O
the	O
16	O
bits	O
that	O
indicate	O
which	O
of	O
the	O
16	O
segments	O
to	O
turn	O
on	O
or	O
off	O
.	O
</s>
<s>
Sixteen-segment	B-General_Concept
displays	I-General_Concept
were	O
originally	O
designed	O
to	O
display	O
alphanumeric	O
characters	O
(	O
Latin	O
letters	O
and	O
Arabic	O
digits	O
)	O
.	O
</s>
<s>
Before	O
the	O
advent	O
of	O
inexpensive	O
dot-matrix	B-General_Concept
displays	I-General_Concept
,	O
sixteen	O
and	O
fourteen-segment	B-General_Concept
displays	I-General_Concept
were	O
used	O
to	O
produce	O
alphanumeric	O
characters	O
on	O
calculators	B-Application
and	O
other	O
embedded	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
Later	O
they	O
were	O
used	O
on	O
videocassette	O
recorders	O
(	O
VCR	O
)	O
,	O
DVD	B-Device
players	I-Device
,	O
microwave	O
ovens	O
,	O
car	O
stereos	O
,	O
telephone	O
Caller	O
ID	O
displays	O
,	O
and	O
slot	O
machines	O
.	O
</s>
<s>
Sixteen-segment	B-General_Concept
displays	I-General_Concept
may	O
be	O
based	O
on	O
one	O
of	O
several	O
technologies	O
,	O
the	O
three	O
most	O
common	O
optoelectronics	O
types	O
being	O
LED	O
,	O
LCD	B-Device
and	O
VFD	B-General_Concept
.	O
</s>
<s>
As	O
with	O
seven	O
and	O
fourteen-segment	B-General_Concept
displays	I-General_Concept
,	O
a	O
decimal	O
point	O
and/or	O
comma	O
may	O
be	O
present	O
as	O
an	O
additional	O
segment	O
,	O
or	O
pair	O
of	O
segments	O
;	O
the	O
comma	O
(	O
used	O
for	O
triple-digit	O
groupings	O
or	O
as	O
a	O
decimal	O
separator	O
in	O
many	O
regions	O
)	O
is	O
commonly	O
formed	O
by	O
combining	O
the	O
decimal	O
point	O
with	O
a	O
closely	O
'	O
attached	O
 '	O
leftwards-descending	O
arc-shaped	O
segment	O
.	O
</s>
<s>
Such	O
displays	O
were	O
very	O
common	O
on	O
pinball	B-Application
machines	O
for	O
displaying	O
the	O
score	O
and	O
other	O
information	O
,	O
before	O
the	O
widespread	O
use	O
of	O
dot-matrix	B-General_Concept
display	I-General_Concept
panels	O
.	O
</s>
