<s>
The	O
MANIAC	B-Device
II	I-Device
(	O
Mathematical	O
Analyzer	O
Numerical	O
Integrator	O
and	O
Automatic	O
Computer	O
Model	O
II	O
)	O
was	O
a	O
first-generation	O
electronic	O
computer	O
,	O
built	O
in	O
1957	O
for	O
use	O
at	O
Los	O
Alamos	O
Scientific	O
Laboratory	O
.	O
</s>
<s>
MANIAC	B-Device
II	I-Device
was	O
built	O
by	O
the	O
University	O
of	O
California	O
and	O
the	O
Los	O
Alamos	O
Scientific	O
Laboratory	O
,	O
completed	O
in	O
1957	O
as	O
a	O
successor	O
to	O
MANIAC	B-Device
I	I-Device
.	O
</s>
<s>
Overall	O
it	O
used	O
5,190	O
vacuum	O
tubes	O
,	O
3,050	O
semiconductor	O
diodes	O
,	O
and	O
1,160	O
transistors	B-Application
.	O
</s>
<s>
It	O
had	O
4,096	O
words	O
of	O
memory	B-General_Concept
in	O
Magnetic-core	O
memory	B-General_Concept
(	O
with	O
2.4	O
microsecond	O
access	O
time	O
)	O
,	O
supplemented	O
by	O
12,288	O
words	O
of	O
memory	B-General_Concept
using	O
Williams	B-General_Concept
tubes	I-General_Concept
(	O
with	O
15	O
microsecond	O
access	O
time	O
)	O
.	O
</s>
<s>
RTL	O
,	O
DTL	B-General_Concept
and	O
TTL	B-General_Concept
.	O
</s>
<s>
It	O
had	O
an	O
array	O
multiplier	O
,	O
15	O
index	O
registers	O
,	O
16K	O
of	O
6-microsecond	O
cycle	O
time	O
core	O
memory	B-General_Concept
,	O
and	O
64K	O
of	O
2-microsecond	O
cycle	O
time	O
core	O
memory	B-General_Concept
.	O
</s>
<s>
A	O
NOP	B-Language
instruction	O
took	O
about	O
2.5	O
microseconds	O
.	O
</s>
<s>
It	O
had	O
a	O
paging	O
unit	O
using	O
1K	O
word	O
pages	O
with	O
an	O
associative	O
16-deep	O
lookup	O
memory	B-General_Concept
.	O
</s>
<s>
For	O
I/O	O
,	O
it	O
had	O
two	O
IBM	B-Application
360	I-Application
series	O
nine-track	O
and	O
two	O
seven-track	O
1/2	O
"	O
tape	O
drives	O
.	O
</s>
<s>
Storage	O
was	O
three	O
IBM	B-Device
7000	I-Device
series	I-Device
1301	O
disk	O
drives	O
,	O
each	O
having	O
two	O
modules	O
of	O
21.6	O
million	O
characters	O
apiece	O
.	O
</s>
<s>
One	O
of	O
the	O
data	O
products	O
of	O
MANIAC	B-Device
II	I-Device
was	O
the	O
table	O
of	O
numbers	O
appearing	O
in	O
the	O
book	O
The	O
3-j	O
and	O
6-j	O
Symbols	O
by	O
Manuel	O
Rotenberg	O
,	O
et	O
al.	O
,	O
published	O
in	O
1959	O
.	O
</s>
