<s>
The	O
Dubna	B-Device
48K	I-Device
( Дубна	O
48К	O
)	O
is	O
a	O
Soviet	O
clone	B-General_Concept
of	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
home	O
computer	O
launched	O
in	O
1991	O
.	O
</s>
<s>
It	O
was	O
based	O
on	O
an	O
analogue	O
of	O
the	O
Zilog	B-General_Concept
Z80	I-General_Concept
microprocessor	B-Architecture
.	O
</s>
<s>
Its	O
name	O
comes	O
from	O
Dubna	O
,	O
a	O
town	O
near	O
Moscow	O
,	O
where	O
it	O
was	O
produced	O
on	O
the	O
"	O
TENSOR	O
"	O
instrument	O
factory	O
,	O
and	O
"	O
48K	O
"	O
stands	O
for	O
48KBs	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
By	O
the	O
time	O
this	O
computer	O
was	O
released	O
(	O
1991	O
)	O
,	O
there	O
were	O
already	O
much	O
more	O
powerful	O
x86	B-Operating_System
CPUs	O
and	O
commercially	O
available	O
advanced	O
operating	O
systems	O
,	O
such	O
as	O
Unix	B-Application
,	O
DOS	B-Device
and	O
Windows	B-Application
.	O
</s>
<s>
The	O
Dubna	B-Device
48K	I-Device
had	O
only	O
a	O
built-in	O
BASIC	O
interpreter	B-Application
,	O
and	O
loaded	O
its	O
programs	O
from	O
a	O
cassette	O
recorder	O
,	O
so	O
it	O
could	O
n't	O
run	O
any	O
of	O
the	O
modern	O
operating	O
systems	O
.	O
</s>
<s>
However	O
,	O
the	O
Dubna	B-Device
48K	I-Device
and	O
many	O
other	O
Z80	B-General_Concept
clones	B-General_Concept
,	O
though	O
outdated	O
by	O
that	O
time	O
,	O
were	O
introduced	O
in	O
high	O
schools	O
of	O
the	O
Soviet	O
Union	O
.	O
</s>
<s>
Many	O
of	O
the	O
games	O
for	O
the	O
Z80-based	O
machine	O
were	O
ported	O
from	O
games	O
already	O
available	O
for	O
Nintendo	O
's	O
8-bit	O
game	O
console	O
,	O
marketed	O
in	O
Russia	O
under	O
the	O
brand	O
Dendy	O
.	O
</s>
<s>
The	O
Dubna	B-Device
48K	I-Device
was	O
shipped	O
with	O
the	O
following	O
units	O
:	O
</s>
<s>
The	O
computer	O
could	O
also	O
connect	O
to	O
a	O
ZX	B-Device
Microdrive	I-Device
,	O
but	O
such	O
device	O
was	O
never	O
included	O
.	O
</s>
<s>
A	O
device	O
named	O
Dubna	B-Device
48K	I-Device
is	O
referenced	O
in	O
the	O
American	O
film	O
Jason	O
Bourne	O
(	O
2016	O
)	O
.	O
</s>
<s>
In	O
the	O
film	O
,	O
rogue	O
agent	O
Nicky	O
Parsons	O
uses	O
a	O
"	O
palm-sized	O
authentication	O
device	O
"	O
named	O
Dubna	B-Device
48K	I-Device
to	O
get	O
connected	O
to	O
the	O
mainframe	B-Architecture
computer	I-Architecture
of	O
the	O
Central	O
Intelligence	O
Agency	O
(	O
CIA	O
)	O
.	O
</s>
<s>
The	O
Agency	O
later	O
finds	O
out	O
that	O
the	O
Dubna	B-Device
48K	I-Device
unit	O
was	O
reportedly	O
destroyed	O
back	O
in	O
1993	O
,	O
and	O
its	O
access	O
to	O
the	O
mainframe	B-Architecture
was	O
never	O
revoked	O
.	O
</s>
<s>
The	O
film	O
does	O
not	O
explain	O
how	O
a	O
device	O
from	O
the	O
1990s	O
could	O
be	O
still	O
compatible	O
with	O
a	O
mainframe	B-Architecture
computer	I-Architecture
of	O
the	O
2010s	O
.	O
</s>
<s>
The	O
film	O
also	O
does	O
not	O
point	O
out	O
that	O
the	O
real	O
Dubna	B-Device
48K	I-Device
was	O
a	O
Soviet	O
home	O
computer	O
which	O
was	O
primarily	O
used	O
to	O
play	O
ports	O
of	O
video	O
games	O
.	O
</s>
<s>
The	O
video	O
games	O
available	O
to	O
the	O
real	O
Dubna	B-Device
48K	I-Device
were	O
released	O
by	O
Nintendo	O
and	O
were	O
products	O
of	O
the	O
third	B-Application
generation	I-Application
of	I-Application
video	I-Application
game	I-Application
consoles	I-Application
(	O
8-bit	B-Application
era	I-Application
)	O
.	O
</s>
