<s>
The	O
UNIVAC	B-Device
1100/60	I-Device
,	O
introduced	O
in	O
1979	O
,	O
continued	O
the	O
venerable	O
UNIVAC	B-Device
1100	I-Device
series	I-Device
first	O
introduced	O
in	O
1962	O
with	O
the	O
UNIVAC	O
1107	O
.	O
</s>
<s>
Like	O
its	O
predecessors	O
,	O
it	O
had	O
support	O
for	O
multiple	O
CPUs	B-General_Concept
;	O
initially	O
only	O
two	O
,	O
but	O
later	O
up	O
to	O
four	O
.	O
</s>
<s>
It	O
continued	O
the	O
naming	O
convention	O
introduced	O
with	O
the	O
1100/10	O
,	O
where	O
the	O
last	O
digit	O
represented	O
the	O
number	O
of	O
CPUs	B-General_Concept
(	O
thus	O
,	O
a	O
four	O
CPU	B-General_Concept
system	O
would	O
be	O
an	O
1100/64	O
)	O
.	O
</s>
<s>
The	O
1100/60	O
introduced	O
a	O
new	O
feature	O
to	O
the	O
line	O
:	O
the	O
CPUs	B-General_Concept
used	O
microcode	B-Device
that	O
was	O
loaded	O
during	O
the	O
booting	B-Operating_System
process	O
.	O
</s>
<s>
The	O
booting	B-Operating_System
process	O
was	O
controlled	O
by	O
a	O
microcomputer	B-Architecture
(	O
called	O
the	O
"	O
SSP	O
"	O
-	O
"	O
System	O
Support	O
Processor	O
"	O
)	O
that	O
ran	O
from	O
8-inch	B-Device
floppy	I-Device
disks	O
.	O
</s>
<s>
The	O
microcode	B-Device
was	O
stored	O
on	O
these	O
disks	O
.	O
</s>
<s>
The	O
system	O
included	O
an	O
optional	O
(	O
extra-cost	O
)	O
set	O
of	O
additions	O
to	O
the	O
instruction	B-General_Concept
set	I-General_Concept
(	O
referred	O
to	O
as	O
the	O
Extended	O
Instruction	B-General_Concept
Set	I-General_Concept
or	O
EIS	O
)	O
,	O
which	O
contained	O
features	O
to	O
enhance	O
the	O
execution	O
of	O
COBOL	B-Application
programs	O
,	O
when	O
appropriately	O
compiled	B-Language
.	O
</s>
<s>
The	O
UNIVAC	B-Device
1100/70	I-Device
shared	O
much	O
of	O
the	O
same	O
architecture	O
,	O
including	O
the	O
same	O
console	O
and	O
microcode	B-Device
.	O
</s>
