<s>
The	O
Gemini	B-Device
Guidance	I-Device
Computer	I-Device
(	O
sometimes	O
Gemini	B-Device
Spacecraft	I-Device
On-Board	I-Device
Computer	I-Device
(	O
OBC	B-Device
)	O
)	O
was	O
a	O
digital	O
,	O
serial	B-Device
computer	I-Device
designed	O
for	O
Project	O
Gemini	O
,	O
America	O
's	O
second	O
human	O
spaceflight	O
project	O
.	O
</s>
<s>
The	O
Gemini	B-Device
Guidance	I-Device
Computer	I-Device
was	O
responsible	O
for	O
the	O
following	O
functions	O
:	O
</s>
<s>
The	O
computer	O
was	O
architecturally	O
similar	O
to	O
the	O
Saturn	B-Device
Launch	I-Device
Vehicle	I-Device
Digital	I-Device
Computer	I-Device
,	O
in	O
particular	O
in	O
the	O
instruction	O
set	O
;	O
however	O
its	O
circuit	O
integration	O
was	O
less	O
advanced	O
.	O
</s>
