ASCII TABLE
American Standard Code For Information Interchange (ASCII)…..is a character encoding
based on the English alphabet. ASCII codes represent text in computers,
communications equipment, and other devices that work with text.
A bit is a binary digit, and in the binary number system there are two digits (base 2), 0
and 1. A byte is collection of 8 bits, so with 8 bits there are 256 (28) possible
combinations of 0s and 1s. The ASCII Code assigns each one of those combinations a
specific character. The first 128 characters listed below are standard, but only use 7 bits.
The additional characters that can be defined using the 8th bit are referred to as extended
codes and their definitions may vary.
Dec = Decimal (Base 10),
Char = Character
Hex = Hexadecimal (Base 16), Oct = Octal (Base 8),
Dec Hex Oct Char Binary
Dec Hex Oct Char Binary
-----------------------------------------------------------------0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
000
001
002
003
004
005
006
007
010
011
012
013
014
015
016
017
NUL
SOH
STX
ETX
EOT
ENQ
ACK
BEL
BS
HT
LF
VT
FF
CR
SO
SI
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
100
101
102
103
104
105
106
107
110
111
112
113
114
115
116
117
@
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0100
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
020
021
022
023
024
025
026
027
030
031
032
033
034
035
036
037
DLE
DC1
DC2
DC3
DC4
NAK
SYN
ETB
CAN
EM
SUB
ESC
FS
GS
RS
US
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0001
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
5D
5E
5F
120
121
122
123
124
125
126
127
130
131
132
133
134
135
136
137
P
Q
R
S
T
U
V
W
X
Y
Z
[
\
]
^
_
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0101
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
040
041
042
043
044
045
046
047
050
051
052
053
054
055
056
057
SPace
!
"
#
$
%
&
'
(
)
*
+
,
.
/
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
60
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
140
141
142
143
144
145
146
147
150
151
152
153
154
155
156
157
`
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0110
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
060
061
062
063
064
065
066
067
070
071
072
073
074
075
076
077
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0011
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
70
71
72
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
7F
160
161
162
163
164
165
166
167
170
171
172
173
174
175
176
177
p
q
r
s
t
u
v
w
x
y
z
{
|
}
~
DEL
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0111
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Binary Place Values
------------------------------------Decimal 128
Binary
0
64
1
32 16
1 1
8
1
4
1
2 1
1 1 = 127 Decimal