<s>
The	O
HP	B-Device
250	I-Device
was	O
a	O
multiuser	O
business	O
computer	O
by	O
Hewlett-Packard	O
running	O
HP	B-Device
250	I-Device
BASIC	O
language	O
as	O
its	O
OS	O
with	O
access	O
to	O
HP	O
's	O
IMAGE	O
database	O
management	O
.	O
</s>
<s>
The	O
HP	O
9835	O
's	O
processor	O
was	O
initially	O
used	O
in	O
the	O
first	O
HP	B-Device
250s	I-Device
.	O
</s>
<s>
The	O
HP	B-Device
250	I-Device
borrowed	O
the	O
embedded	O
keyboard	O
design	O
from	O
the	O
HP	B-Device
300	I-Device
and	O
added	O
a	O
wider	O
slide-able	O
and	O
tilt-able	O
monitor	O
with	O
screen	B-General_Concept
labeled	I-General_Concept
function	I-General_Concept
keys	I-General_Concept
buttons	O
physically	O
placed	O
just	O
below	O
on-screen	O
labels	O
(	O
a	O
configuration	O
now	O
used	O
in	O
ATMs	O
and	O
gas	O
pumps	O
)	O
built	O
into	O
a	O
large	O
desk	O
design	O
.	O
</s>
<s>
Though	O
the	O
HP	B-Device
250	I-Device
had	O
a	O
different	O
processor	O
and	O
operating	O
system	O
,	O
it	O
used	O
similar	O
interface	O
cards	O
to	O
the	O
HP	B-Device
300	I-Device
,	O
and	O
then	O
later	O
also	O
the	O
HP	B-Device
3000	I-Device
models	O
30	O
,	O
33	O
,	O
40	O
,	O
42	O
,	O
44	O
,	O
and	O
48	O
:	O
HP-IB	O
channel	O
(	O
GIC	O
)	O
,	O
Network	O
,	O
and	O
serial	O
(	O
MUX	O
)	O
cards	O
.	O
</s>
<s>
Initially	O
the	O
HP	B-Device
250	I-Device
was	O
like	O
the	O
HP300	B-Device
as	O
a	O
single	O
user	O
,	O
floppy	O
based	O
computer	O
system	O
.	O
</s>
<s>
Later	O
a	O
multi-user	O
ability	O
was	O
added	O
,	O
and	O
the	O
HP300	B-Device
's	O
embedded	O
hard	O
drive	O
was	O
installed	O
as	O
a	O
boot	O
drive	O
.	O
</s>
<s>
The	O
HP	B-Device
250	I-Device
was	O
advertised	O
in	O
1978	O
and	O
was	O
promoted	O
more	O
in	O
Europe	O
as	O
an	O
easy-to-use	O
,	O
small	O
space	O
,	O
low	O
cost	O
business	O
system	O
,	O
and	O
thus	O
sold	O
better	O
in	O
Europe	O
.	O
</s>
<s>
The	O
next-gen	O
HP	B-Device
250	I-Device
was	O
the	O
HP	O
260	O
which	O
lost	O
the	O
table	O
,	O
embedded	O
keyboard	O
,	O
and	O
CRT	O
for	O
a	O
small	O
stand-alone	O
box	O
.	O
</s>
<s>
In	O
those	O
days	O
,	O
RS-232	O
cables	O
ran	O
from	O
desk	O
side	O
terminals	O
(	O
262x	O
low	O
cost	O
terminals	O
)	O
to	O
the	O
HP	B-Device
250	I-Device
via	O
a	O
MUX	O
card	O
.	O
</s>
