<s>
The	O
Sharp	O
PC-1211	O
is	O
a	O
pocket	B-Device
computer	I-Device
marketed	O
by	O
Sharp	O
Corporation	O
in	O
the	O
1980s	O
.	O
</s>
<s>
The	O
computer	O
was	O
powered	O
by	O
two	O
4-bit	O
CPUs	B-Device
laid	O
out	O
in	O
power-saving	O
CMOS	B-Device
circuitry	O
.	O
</s>
<s>
One	O
acted	O
as	O
the	O
main	O
CPU	B-Device
,	O
the	O
other	O
dealt	O
with	O
the	O
input/output	O
and	O
display	O
interface	O
.	O
</s>
<s>
Users	O
could	O
write	O
computer	B-Application
programs	I-Application
in	O
BASIC	B-Language
.	O
</s>
<s>
A	O
badge-engineered	O
version	O
of	O
the	O
Sharp	O
PC-1211	O
was	O
marketed	O
by	O
Radio	O
Shack	O
as	O
the	O
original	O
TRS-80	B-Device
Pocket	I-Device
Computer	I-Device
.	O
</s>
<s>
(	O
This	O
was	O
later	O
referred	O
to	O
as	O
the	O
"	O
PC-1	O
"	O
to	O
differentiate	O
it	O
from	O
subsequent	O
entries	O
(	O
PC-2	O
onwards	O
)	O
in	O
the	O
TRS-80	B-Device
Pocket	I-Device
Computer	I-Device
line	I-Device
.	O
)	O
</s>
<s>
Introduced	O
in	O
July	O
1980	O
,	O
the	O
"	O
PC-1	O
"	O
measured	O
175	O
×	O
70	O
×	O
15mm	O
and	O
weighed	O
170	O
g	O
,	O
and	O
had	O
a	O
one-line	O
,	O
24-character	O
alphanumeric	O
LCD	B-Device
.	O
</s>
<s>
The	O
TRS-80	B-Device
Pocket	I-Device
Computer	I-Device
was	O
programmable	O
in	O
BASIC	B-Language
,	O
with	O
a	O
capacity	O
of	O
1424	O
"	O
program	O
steps	O
"	O
.	O
</s>
<s>
The	O
implementation	O
was	O
based	O
on	O
Palo	O
Alto	O
Tiny	O
BASIC	B-Language
.	O
</s>
