<s>
FLAC	O
,	O
the	O
Florida	B-Device
Automatic	I-Device
Computer	I-Device
,	O
was	O
an	O
early	O
digital	O
electronic	O
computer	O
built	O
for	O
the	O
United	O
States	O
Air	O
Force	O
at	O
Patrick	O
Air	O
Force	O
Base	O
(	O
PAFB	O
)	O
in	O
Brevard	O
County	O
of	O
Florida	O
,	O
to	O
perform	O
missile	O
data	O
reduction	O
.	O
</s>
<s>
The	O
system	O
's	O
architecture	O
resembled	O
that	O
of	O
the	O
many	O
machines	O
of	O
the	O
period	O
that	O
used	O
the	O
von	B-Architecture
Neumann	I-Architecture
architecture	I-Architecture
,	O
and	O
in	O
design	O
was	O
most	O
closely	O
related	O
to	O
SEAC	B-Device
.	O
</s>
<s>
Like	O
the	O
ENIAC	B-Device
,	O
EDVAC	B-Device
,	O
and	O
other	O
early	O
computers	O
,	O
FLAC	O
's	O
basic	O
electronic	O
element	O
was	O
the	O
vacuum	O
tube	O
,	O
but	O
it	O
also	O
used	O
crystal	O
diodes	O
for	O
gating	O
.	O
</s>
<s>
The	O
system	O
used	O
both	O
a	O
512-word	O
mercury	O
delay	O
line	O
and	O
magnetic	O
tape	O
for	O
memory	O
,	O
and	O
for	O
data	O
input	O
,	O
the	O
system	O
was	O
equipped	O
to	O
process	O
Flexowriter	B-Application
paper	O
tape	O
(	O
at	O
a	O
rate	O
of	O
1	O
word/second	O
)	O
,	O
magnetic	O
wire	O
(	O
40	O
words/second	O
)	O
,	O
Raytheon	O
magnetic	O
tape	O
(	O
250	O
words/second	O
)	O
,	O
and	O
paper	O
tape	O
(	O
150	O
characters/second	O
)	O
.	O
</s>
<s>
The	O
system	O
could	O
output	O
to	O
Flexowriter	B-Application
paper	O
tape	O
(	O
at	O
a	O
rate	O
of	O
1	O
word/second	O
)	O
,	O
magnetic	O
wire	O
(	O
20	O
words/second	O
)	O
,	O
or	O
paper	O
tape	O
(	O
180	O
characters/second	O
)	O
.	O
</s>
<s>
Typical	O
programs	O
transformed	O
missile	O
tracking	O
data	O
from	O
missile	O
tests	O
,	O
recorded	O
to	O
rolls	O
of	O
seven-hole	O
Flexowriter	B-Application
punched	O
paper	O
tape	O
,	O
cartridges	O
of	O
magnetic	O
wire	O
,	O
and	O
reels	O
of	O
magnetic	O
tape	O
,	O
into	O
missile	O
trajectory	O
and	O
performance	O
data	O
.	O
</s>
