<s>
Display	B-Application
code	I-Application
is	O
the	O
six-bit	O
character	O
code	O
used	O
by	O
many	O
computer	O
systems	O
manufactured	O
by	O
Control	O
Data	O
Corporation	O
,	O
notably	O
the	O
CDC3000	B-Device
series	I-Device
and	O
the	O
following	O
CDC	B-Device
6000	I-Device
series	I-Device
in	O
1964	O
.	O
</s>
<s>
The	O
CDC	B-Device
6000	I-Device
series	I-Device
and	O
their	O
successors	O
had	O
60	O
bit	O
words	O
.	O
</s>
<s>
There	O
were	O
several	O
variations	O
of	O
display	B-Application
code	I-Application
,	O
notably	O
the	O
63-character	O
character	O
set	O
,	O
and	O
the	O
64-character	O
character	O
set	O
.	O
</s>
<s>
There	O
were	O
also	O
'	O
CDC	O
graphic	O
 '	O
and	O
'	O
ASCII	B-Protocol
graphic	O
 '	O
variants	O
of	O
both	O
the	O
63	O
-	O
and	O
64-character	O
sets	O
.	O
</s>
<s>
The	O
choice	O
between	O
63	O
-	O
or	O
64-character	O
character	O
set	O
,	O
and	O
between	O
CDC	O
or	O
ASCII	B-Protocol
graphic	O
was	O
site-selectable	O
.	O
</s>
<s>
As	O
time-sharing	O
became	O
prevalent	O
,	O
almost	O
all	O
sites	O
used	O
the	O
ASCII	B-Protocol
variant	O
-	O
so	O
that	O
line	O
printer	O
output	O
would	O
match	O
interactive	O
usage	O
.	O
</s>
<s>
A	O
later	O
variation	O
,	O
called	O
6/12	O
display	B-Application
code	I-Application
,	O
was	O
used	O
in	O
the	O
Kronos	B-Operating_System
and	O
NOS	B-Operating_System
timesharing	O
systems	O
in	O
order	O
to	O
support	O
full	O
ASCII	B-Protocol
capabilities	O
.	O
</s>
<s>
In	O
6/12	O
mode	O
,	O
an	O
escape	B-Algorithm
character	I-Algorithm
(	O
the	O
circumflex	O
,	O
octal	O
76	O
)	O
would	O
indicate	O
that	O
the	O
following	O
letter	O
was	O
lower	O
case	O
.	O
</s>
<s>
The	O
PLATO	B-Operating_System
system	I-Operating_System
used	O
a	O
further	O
variant	O
of	O
6/12	O
display	B-Application
code	I-Application
.	O
</s>
<s>
Noting	O
that	O
lower	O
case	O
letters	O
were	O
most	O
common	O
in	O
typical	O
PLATO	B-Operating_System
usage	O
,	O
the	O
roles	O
were	O
reversed	O
.	O
</s>
<s>
Lower	O
case	O
letters	O
were	O
the	O
norm	O
,	O
and	O
the	O
escape	B-Algorithm
character	I-Algorithm
preceded	O
upper	O
case	O
letters	O
.	O
</s>
<s>
The	O
typical	O
text	O
file	O
format	O
used	O
a	O
zero-byte	O
terminator	O
to	O
signify	O
the	O
end	O
of	O
each	O
record	O
.	O
</s>
<s>
The	O
zero-byte	O
terminator	O
was	O
indicated	O
by	O
,	O
at	O
least	O
,	O
the	O
final	O
twelve	O
bits	O
of	O
a	O
60-bit	O
word	O
being	O
set	O
to	O
zero	O
.	O
</s>
<s>
ASCII	B-Protocol
CDC	O
Binary	O
Decimal	O
Octal	O
Graphic	O
Graphic	O
Name	O
000	O
000	O
0	O
00	O
:	O
:	O
colonDisplay	O
code	O
00	O
has	O
no	O
associated	O
graphic	O
in	O
the	O
63-character	O
set	O
000	O
001	O
1	O
01	O
A	O
A	O
000	O
010	O
2	O
02	O
B	B-Language
B	B-Language
000	O
011	O
3	O
03	O
C	B-Language
C	B-Language
000	O
100	O
4	O
04	O
D	B-Application
D	B-Application
000	O
101	O
5	O
05	O
E	B-Language
E	B-Language
000	O
110	O
6	O
06	O
F	B-Language
F	B-Language
000	O
111	O
7	O
07	O
G	B-Application
G	B-Application
001	O
000	O
8	O
10	O
H	O
H	O
001	O
001	O
9	O
11	O
I	O
I	O
001	O
010	O
10	O
12	O
J	B-Language
J	B-Language
001	O
011	O
11	O
13	O
K	B-Application
K	B-Application
001	O
100	O
12	O
14	O
L	O
L	O
001	O
101	O
13	O
15	O
M	B-Language
M	B-Language
001	O
110	O
14	O
16	O
N	B-Application
N	B-Application
001	O
111	O
15	O
17	O
O	B-Language
O	B-Language
010	O
000	O
16	O
20	O
P	B-Language
P	B-Language
010	O
001	O
17	O
21	O
Q	B-Algorithm
Q	B-Algorithm
010	O
010	O
18	O
22	O
R	B-Language
R	B-Language
010	O
011	O
19	O
23	O
S	B-Language
S	B-Language
010	O
100	O
20	O
24	O
T	B-Language
T	B-Language
010	O
101	O
21	O
25	O
U	O
U	O
010	O
110	O
22	O
26	O
V	B-Operating_System
V	B-Operating_System
010	O
111	O
23	O
27	O
W	B-Device
W	B-Device
011	O
000	O
24	O
30	O
X	B-Operating_System
X	B-Operating_System
011	O
001	O
25	O
31	O
Y	O
Y	O
011	O
010	O
26	O
32	O
Z	B-Language
Z	B-Language
011	O
011	O
27	O
33	O
0	O
0	O
011	O
100	O
28	O
34	O
1	O
1	O
011	O
101	O
29	O
35	O
2	O
2	O
011	O
110	O
30	O
36	O
3	O
3	O
011	O
111	O
31	O
37	O
4	O
4	O
ASCII	B-Protocol
CDC	O
Binary	O
Decimal	O
Octal	O
Graphic	O
Graphic	O
Name	O
100	O
000	O
32	O
40	O
5	O
5	O
100	O
001	O
33	O
41	O
6	O
6	O
100	O
010	O
34	O
42	O
7	O
7	O
100	O
011	O
35	O
43	O
8	O
8	O
100	O
100	O
36	O
44	O
9	O
9	O
100	O
101	O
37	O
45	O
+	O
+	O
100	O
110	O
38	O
46	O
-	O
-	O
100	O
111	O
39	O
47	O
*	B-Language
*	B-Language
101	O
000	O
40	O
50	O
/	O
/	O
101	O
001	O
41	O
51	O
(	O
(	O
101	O
010	O
42	O
52	O
)	O
)	O
101	O
011	O
43	O
53	O
$	O
$	O
101	O
100	O
44	O
54	O
=	O
=	O
101	O
101	O
45	O
55	O
blank	O
101	O
110	O
46	O
56	O
,	O
,	O
101	O
111	O
47	O
57	O
.	O
</s>
<s>
110	O
000	O
48	O
60	O
#	O
≡	O
equiv	O
110	O
001	O
49	O
61	O
[	O
[	O
110	O
010	O
50	O
62	O
]	O
]	O
110	O
011	O
51	O
63	O
%	O
%	O
Display	B-Application
code	I-Application
63	O
(	O
octal	O
)	O
is	O
a	O
:	O
(	O
colon	O
)	O
in	O
the	O
63-character	O
set	O
110	O
100	O
52	O
64	O
"	O
≠	O
not	O
eq	O
110	O
101	O
53	O
65	O
_	O
→	O
concatIn	O
CDC	O
PASCAL	O
,	O
this	O
is	O
the	O
left	O
brace	O
,	O
{	O
,	O
character	O
110	O
110	O
54	O
66	O
!	O
</s>
<s>
∨	O
log	O
OR	O
110	O
111	O
55	O
67	O
&	O
∧	O
log	O
AND	O
111	O
000	O
56	O
70	O
'	B-Language
↑	O
super	O
111	O
001	O
57	O
71	O
?	O
</s>
<s>
The	O
NOS	B-Operating_System
6/12	O
display	B-Application
code	I-Application
is	O
one	O
of	O
the	O
character	O
sets	O
used	O
on	O
CDC	B-Device
Cyber	I-Device
NOS	B-Operating_System
computers	O
to	O
represent	O
all	O
ASCII	B-Protocol
characters	I-Protocol
.	O
</s>
<s>
ASCII	B-Protocol
display	B-Application
code	I-Application
Dec	O
Hex	O
Abbr	O
Dec	O
Oct	O
6/12	O
0	O
00	O
NUL	O
62	O
32	O
76	O
40	O
^5	O
1	O
01	O
SOH	O
62	O
33	O
76	O
41	O
^6	O
2	O
02	O
STX	O
62	O
34	O
76	O
42	O
^7	O
3	O
03	O
ETX	O
62	O
35	O
76	O
43	O
^8	O
4	O
04	O
EOT	O
62	O
36	O
76	O
44	O
^9	O
5	O
05	O
ENQ	O
62	O
37	O
76	O
45	O
^+	O
6	O
06	O
ACK	B-Protocol
62	O
38	O
76	O
46	O
^	O
-	O
7	O
07	O
BEL	O
62	O
39	O
76	O
47	O
^*	O
8	O
08	O
BS	B-Language
62	O
40	O
76	O
50	O
^	O
/	O
9	O
09	O
HT	O
62	O
41	O
76	O
51	O
^( 	O
10	O
0A	O
LF	O
62	O
42	O
76	O
52	O
^	O
)	O
11	O
0B	O
VT	O
62	O
43	O
76	O
53	O
^$	O
12	O
0C	O
FF	O
62	O
44	O
76	O
54	O
^	O
=	O
13	O
0D	O
CR	O
62	O
45	O
76	O
55	O
^	O
14	O
0E	O
SO	O
62	O
46	O
76	O
56	O
^	O
,	O
15	O
0F	O
SI	O
62	O
47	O
76	O
57	O
^	O
.	O
</s>
<s>
16	O
10	O
DLE	O
62	O
48	O
76	O
60	O
^#	O
17	O
11	O
DC1	O
62	O
49	O
76	O
61	O
^[ 	O
18	O
12	O
DC2	O
62	O
50	O
76	O
62	O
^ ]	O
19	O
13	O
DC3	O
62	O
51	O
76	O
63	O
^%	O
20	O
14	O
DC4	O
62	O
52	O
76	O
64	O
^	O
"	O
21	O
15	O
NAK	B-Protocol
62	O
53	O
76	O
65	O
^_	O
22	O
16	O
SYN	O
62	O
54	O
76	O
66	O
^	O
!	O
</s>
<s>
23	O
17	O
ETB	B-Protocol
62	O
55	O
76	O
67	O
^&	O
24	O
18	O
CAN	O
62	O
56	O
76	O
70	O
^	O
 '	O
25	O
19	O
EM	O
62	O
57	O
76	O
71	O
^	O
?	O
</s>
<s>
26	O
1A	O
SUB	O
62	O
58	O
76	O
72	O
^xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1	O
28	O
1C	O
FS	B-Language
62	O
60	O
76	O
74	O
^@	O
29	O
1D	O
GS	B-Application
62	O
61	O
76	O
75	O
^	O
\	O
30	O
1E	O
RS	B-Language
62	O
62	O
76	O
76	O
^^	O
31	O
1F	O
US	O
62	O
63	O
76	O
77	O
^	O
;	O
ASCII	B-Protocol
display	B-Application
code	I-Application
Dec	O
Hex	O
Glyph	O
Dec	O
Oct	O
6/12	O
32	O
20	O
45	O
55	O
33	O
21	O
!	O
</s>
<s>
34	O
22	O
"	O
52	O
64	O
"	O
35	O
23	O
#	O
48	O
60	O
#	O
36	O
24	O
$	O
43	O
53	O
$	O
37	O
25	O
%	O
51	O
63	O
%	O
38	O
26	O
&	O
55	O
67	O
&	O
39	O
27	O
'	B-Language
56	O
70	O
'	B-Language
40	O
28	O
(	O
41	O
51	O
(	O
41	O
29	O
)	O
42	O
52	O
)	O
42	O
2A	O
*	B-Language
39	O
47	O
*	B-Language
43	O
2B	O
+	O
37	O
45	O
+	O
44	O
2C	O
,	O
46	O
56	O
,	O
45	O
2D	O
-	O
38	O
46	O
-	O
46	O
2E	O
.	O
</s>
<s>
47	O
2F	O
/	O
40	O
50	O
/	O
48	O
30	O
0	O
27	O
33	O
0	O
49	O
31	O
1	O
28	O
34	O
1	O
50	O
32	O
2	O
29	O
35	O
2	O
51	O
33	O
3	O
30	O
36	O
3	O
52	O
34	O
4	O
31	O
37	O
4	O
53	O
35	O
5	O
32	O
40	O
5	O
54	O
36	O
6	O
33	O
41	O
6	O
55	O
37	O
7	O
34	O
42	O
7	O
56	O
38	O
8	O
35	O
43	O
8	O
57	O
39	O
9	O
36	O
44	O
9	O
58	O
3A	O
:	O
60	O
4	O
74	O
04	O
@D	O
59	O
3B	O
;	O
63	O
77	O
;	O
60	O
3C	O
<     58  72  < 61  3D  =           44  54  = 62  3E  >  59  73  >	O
63	O
3F	O
?	O
</s>
