<s>
The	O
PDP-11/73	B-Device
(	O
strictly	O
speaking	O
,	O
the	O
MicroPDP-11/73	O
)	O
was	O
the	O
third	O
generation	O
of	O
the	O
PDP-11	B-Device
series	O
of	O
16-bit	O
minicomputers	B-Architecture
produced	O
by	O
Digital	O
Equipment	O
Corporation	O
to	O
use	O
LSI	O
processors	O
.	O
</s>
<s>
Introduced	O
in	O
1983	O
,	O
this	O
system	O
used	O
the	O
DEC	B-Device
J-11	I-Device
chip	O
set	O
and	O
the	O
Q-Bus	B-Architecture
,	O
with	O
a	O
clock	O
speed	O
of	O
15.2MHz	O
.	O
</s>
<s>
From	O
a	O
speed	O
perspective	O
it	O
suffered	O
from	O
accessing	O
memory	O
over	O
the	O
Q-bus	B-Architecture
rather	O
than	O
the	O
private	O
memory	O
interconnect	O
bus	O
adopted	O
by	O
the	O
later	O
PDP-11/83	O
.	O
</s>
