Binary Codes
29
Table 2.6 (continued).
Decimal Hex
Binary
Code
Code description
18
12
0001 0010 DC2
Device control 2
19
13
0001 0011 DC3
Device control 3 (XOFF)
20
14
0001 0100 DC4
Device control 4
21
15
0001 0101 NAK Negative acknowledgement
22
16
0001 0110 SYN
Synchronous idle
23
17
0001 0111 ETB
End of transmission block
24
18
0001 1000 CAN
Cancel
25
19
0001 1001 EM
End of medium
26
1A
0001 1010 SUB
Substitute
27
1B
0001 1011 ESC
Escape
28
1C
0001 1100 FS
File separator
29
1D
0001 1101 GS
Group separator
30
1E
0001 1110 RS
Record separator
31
1F
0001 1111 US
Unit separator
32
20
0010 0000 SP
Space
33
21
0010 0001 !
Exclamation point
34
22
0010 0010 "
Quotation mark
35
23
0010 0011 #
Number sign, octothorp, pound
36
24
0010 0100 $
Dollar sign
37
25
0010 0101 %
Percent
38
26
0010 0110 &
Ampersand
39
27
0010 0111 ’
Apostrophe, prime
40
28
0010 1000 (
Left parenthesis
41
29
0010 1001 )
Right parenthesis
42
2A
0010 1010 *
Asterisk, ‘star’
43
2B
0010 1011
+
Plus sign
44
2C
0010 1100 ,
Comma
45
2D
0010 1101 -
Hyphen, minus sign
46
2E
0010 1110 .
Period, decimal Point, ‘dot’
47
2F
0010 1111 /
Slash, virgule
48
30
0011 0000 0
0
49
31
0011 0001 1
1
50
32
0011 0010 2
2
51
33
0011 0011 3
3
52
34
0011 0100 4
4
53
35
0011 0101 5
5
54
36
0011 0110 6
6
55
37
0011 0111 7
7
56
38
0011 1000 8
8
57
39
0011 1001 9
9
58
3A
0011 1010 :
Colon
59
3B
0011 1011 ;
Semicolon
60
3C
0011 1100
<
Less-than sign
61
3D
0011 1101
=
Equals sign
62
3E
0011 1110
>
Greater-than sign
63
3F
0011 1111 ?
Question mark
64
40
0100 0000 @
At sign
65
41
0100 0001 A
A
(continued overleaf)