<s>
UNCOL	B-Application
(	O
Universal	O
Computer	O
Oriented	O
Language	O
)	O
is	O
a	O
universal	O
intermediate	O
language	O
for	O
compilers	B-Language
.	O
</s>
<s>
UNCOL	B-Application
was	O
intended	O
to	O
make	O
compilers	B-Language
economically	O
available	O
for	O
each	O
new	O
instruction	B-General_Concept
set	I-General_Concept
architecture	I-General_Concept
and	O
programming	O
language	O
,	O
thereby	O
reducing	O
an	O
N×M	O
problem	O
to	O
N+M	O
.	O
</s>
<s>
Each	O
machine	O
architecture	B-General_Concept
would	O
require	O
just	O
one	O
compiler	B-Language
back	O
end	O
,	O
and	O
each	O
programming	O
language	O
would	O
require	O
one	O
compiler	B-Language
front	O
end	O
.	O
</s>
<s>
This	O
was	O
a	O
very	O
ambitious	O
goal	O
because	O
compiler	B-Language
technology	O
was	O
in	O
its	O
infancy	O
,	O
and	O
little	O
was	O
standardized	O
in	O
computer	O
hardware	O
and	O
software	O
.	O
</s>
<s>
UNCOL	B-Application
is	O
sometimes	O
used	O
as	O
a	O
generic	O
term	O
for	O
the	O
idea	O
of	O
a	O
universal	O
intermediate	O
language	O
.	O
</s>
<s>
The	O
Architecture	B-Application
Neutral	I-Application
Distribution	I-Application
Format	I-Application
is	O
an	O
example	O
of	O
an	O
UNCOL	B-Application
in	O
this	O
sense	O
,	O
as	O
are	O
various	O
bytecode	O
systems	O
such	O
as	O
UCSD	B-Language
Pascal	I-Language
's	O
p-code	B-Language
,	O
and	O
most	O
notably	O
Java	B-Language
bytecode	I-Language
.	O
</s>
