<s>
Uniscope	B-General_Concept
was	O
a	O
class	O
of	O
computer	B-General_Concept
terminals	I-General_Concept
made	O
by	O
Sperry	O
Rand	O
Corporation	O
,	O
Univac	O
Division	O
,	O
and	O
successors	O
since	O
1964	O
that	O
were	O
normally	O
used	O
to	O
communicate	O
with	O
Univac	O
mainframes	O
.	O
</s>
<s>
Unlike	O
Teletype	O
terminals	O
,	O
the	O
Uniscope	B-General_Concept
minimizes	O
the	O
number	O
of	O
I/O	O
interrupts	B-Application
required	O
by	O
accepting	O
large	O
blocks	O
of	O
data	O
,	O
and	O
uses	O
a	O
high	O
speed	O
proprietary	O
communications	O
interface	O
,	O
using	O
coaxial	O
cable	O
and	O
hardware	O
devices	O
known	O
as	O
multiplexors	B-Protocol
.	O
</s>
<s>
A	O
Uniscope	B-General_Concept
operator	O
awaits	O
a	O
prompt	O
from	O
the	O
remote	O
mainframe	O
.	O
</s>
<s>
The	O
terminal	B-General_Concept
locks	O
the	O
keyboard	O
and	O
sends	O
to	O
the	O
mainframe	O
what	O
the	O
operator	O
entered	O
.	O
</s>
<s>
All	O
the	O
data	O
goes	O
in	O
a	O
single	O
transmission	O
and	O
that	O
causes	O
a	O
single	O
interrupt	B-Application
at	O
the	O
mainframe	O
.	O
</s>
<s>
Uniscope	B-General_Concept
was	O
a	O
registered	O
trade	O
mark	O
for	O
a	O
set	O
of	O
Sperry	O
Univac	O
dumb	O
terminal	B-General_Concept
products	O
.	O
</s>
<s>
Several	O
models	O
were	O
produced	O
:	O
the	O
Uniscope	B-General_Concept
100	O
,	O
Uniscope	B-General_Concept
200	O
,	O
Uniscope	B-General_Concept
300	O
,	O
the	O
UTS	O
400	O
,	O
the	O
UTS	O
10	O
,	O
the	O
UTS	O
20	O
,	O
the	O
UTS	O
30	O
,	O
the	O
UTS	O
40	O
and	O
the	O
color	O
UTS	O
60	O
.	O
</s>
<s>
The	O
UTS	O
10	O
,	O
UTS	O
20	O
,	O
UTS	O
30	O
,	O
UTS	O
40	O
and	O
the	O
color	O
UTS	O
60	O
were	O
"	O
intelligent	O
terminals	O
"	O
powered	O
by	O
8-bit	O
microprocessors	B-Architecture
.	O
</s>
<s>
There	O
was	O
also	O
the	O
UTS	O
4000	O
cluster	O
controller	O
and	O
terminal	B-General_Concept
line	O
,	O
and	O
the	O
SVT-1120	O
.	O
</s>
<s>
The	O
UTS	O
4000	O
line	O
had	O
a	O
COBOL	B-Application
compiler	O
available	O
that	O
made	O
it	O
possible	O
to	O
do	O
local	O
processing	O
in	O
the	O
cluster	O
controller	O
,	O
and	O
the	O
UTS	O
60	O
was	O
also	O
capable	O
of	O
being	O
programmed	O
.	O
</s>
<s>
This	O
line	O
of	O
terminals	O
roughly	O
paralleled	O
the	O
similar	O
IBM	O
product	O
,	O
the	O
IBM	B-Operating_System
3270	I-Operating_System
.	O
</s>
<s>
The	O
UTS-400-TE	O
was	O
specialized	O
terminal	B-General_Concept
that	O
had	O
a	O
powerful	O
text	B-Application
editing	I-Application
program	O
burned	O
into	O
firmware	B-Application
intended	O
at	O
first	O
to	O
allow	O
for	O
the	O
editing	O
of	O
simple	O
copy	O
such	O
as	O
that	O
for	O
a	O
newspaper	O
,	O
and	O
later	O
adapted	O
as	O
a	O
prototype	O
word	O
processor	O
with	O
8-inch	B-Device
floppy	I-Device
disks	O
and	O
letter-quality	O
daisy	O
wheel	O
printers	O
.	O
</s>
<s>
All	O
members	O
of	O
the	O
Uniscope	B-General_Concept
product	O
line	O
used	O
a	O
variant	O
of	O
the	O
Binary	B-Protocol
Synchronous	I-Protocol
Communications	I-Protocol
protocol	O
.	O
</s>
<s>
Groups	O
of	O
terminals	O
were	O
generally	O
dropped	O
off	O
a	O
common	O
communications	O
line	O
via	O
a	O
multiplexer	B-Protocol
(	O
mux	O
)	O
and	O
identified	O
by	O
remote	O
identifier	O
and	O
station	O
identifier	O
symbols	O
.	O
</s>
<s>
Some	O
terminals	O
may	O
have	O
been	O
equipped	O
with	O
peripheral	O
devices	O
such	O
as	O
printers	O
and	O
recording	O
devices	O
(	O
cartridge	O
tape	O
or	O
floppy	B-Device
disk	I-Device
)	O
which	O
were	O
identified	O
on	O
the	O
communications	O
line	O
by	O
a	O
device	O
identifier	O
.	O
</s>
<s>
Terminals	O
on	O
a	O
drop	O
were	O
sequentially	O
polled	B-General_Concept
for	O
traffic	O
,	O
sometimes	O
with	O
a	O
general	O
poll	O
to	O
which	O
any	O
terminal	B-General_Concept
with	O
traffic	O
could	O
respond	O
.	O
</s>
<s>
Some	O
fields	O
could	O
not	O
be	O
changed	O
by	O
the	O
terminal	B-General_Concept
operator	O
.	O
</s>
<s>
The	O
Uniscope	B-General_Concept
display	O
protocol	O
,	O
while	O
proprietary	O
,	O
roughly	O
parallel	O
the	O
ANSI	O
X3.64	O
standard	O
(	O
"	O
additional	O
controls	O
for	O
use	O
with	O
American	O
national	O
standard	O
code	O
for	O
information	O
interchange	O
"	O
)	O
.	O
</s>
<s>
Screen	O
size	O
of	O
the	O
original	O
Uniscope	B-General_Concept
100	O
was	O
12	O
X	O
80	O
or	O
16	O
x	O
64	O
characters	O
.	O
</s>
<s>
Later	O
Uniscopes	B-General_Concept
supported	O
a	O
24	O
X	O
80	O
screen	O
using	O
raster	O
technology	O
,	O
and	O
upper	O
and	O
lower	O
case	O
characters	O
.	O
</s>
<s>
The	O
color	O
UTS	O
60	O
terminal	B-General_Concept
using	O
two	O
Motorola	O
processors	O
arrived	O
on	O
the	O
market	O
in	O
1984	O
at	O
about	O
the	O
same	O
time	O
as	O
desktop	O
computers	O
with	O
EGA	B-Device
monitors	O
.	O
</s>
<s>
Eventually	O
emulation	B-Application
software	I-Application
for	O
the	O
Uniscope	B-General_Concept
line	O
running	O
on	O
desktop	O
computers	O
ended	O
manufacturing	O
of	O
Uniscope	B-General_Concept
hardware	O
.	O
</s>
<s>
Unisys	O
developed	O
the	O
INFOConnect	O
terminal	B-General_Concept
emulators	B-Application
for	O
PCs	O
that	O
included	O
use	O
of	O
the	O
Uniscope	B-General_Concept
protocols	O
in	O
the	O
early	O
1990s	O
.	O
</s>
<s>
There	O
continue	O
to	O
be	O
vendors	O
that	O
sell	O
terminal	B-General_Concept
emulators	B-Application
for	O
these	O
machines	O
.	O
</s>
