ASCII is a character-encoding scheme based on the ordering of the English alphabet. The 95 ASCII graphic characters numbered from 0x20 to 0x7E (32 to 126 decimal), also known as the printable characters, represent letters, digits, punctuation marks, and a few miscellaneous symbols. The first 32 ASCII characters, from 0x00 to 0x20, are known as control characters. The space character, that denotes the space between words, as produced by the space-bar of a keyboard, represented by code 0x20 (hexadecimal), is considered a non-printing graphic (or an invisible graphic) rather than a control character.
Binary |
Oct |
Dec |
Hex |
Glyph
|
010 0000 |
040 |
32 |
20 |
space
|
010 0001 |
041 |
33 |
21 |
!
|
010 0010 |
042 |
34 |
22 |
"
|
010 0011 |
043 |
35 |
23 |
#
|
010 0100 |
044 |
36 |
24 |
$
|
010 0101 |
045 |
37 |
25 |
%
|
010 0110 |
046 |
38 |
26 |
&
|
010 0111 |
047 |
39 |
27 |
'
|
010 1000 |
050 |
40 |
28 |
(
|
010 1001 |
051 |
41 |
29 |
)
|
010 1010 |
052 |
42 |
2A |
*
|
010 1011 |
053 |
43 |
2B |
+
|
010 1100 |
054 |
44 |
2C |
,
|
010 1101 |
055 |
45 |
2D |
-
|
010 1110 |
056 |
46 |
2E |
.
|
010 1111 |
057 |
47 |
2F |
/
|
011 0000 |
060 |
48 |
30 |
0
|
011 0001 |
061 |
49 |
31 |
1
|
011 0010 |
062 |
50 |
32 |
2
|
011 0011 |
063 |
51 |
33 |
3
|
011 0100 |
064 |
52 |
34 |
4
|
011 0101 |
065 |
53 |
35 |
5
|
011 0110 |
066 |
54 |
36 |
6
|
011 0111 |
067 |
55 |
37 |
7
|
011 1000 |
070 |
56 |
38 |
8
|
011 1001 |
071 |
57 |
39 |
9
|
011 1010 |
072 |
58 |
3A |
:
|
011 1011 |
073 |
59 |
3B |
;
|
011 1100 |
074 |
60 |
3C |
<
|
011 1101 |
075 |
61 |
3D |
=
|
011 1110 |
076 |
62 |
3E |
>
|
011 1111 |
077 |
63 |
3F |
?
|
Binary |
Oct |
Dec |
Hex |
Glyph
|
100 0000 |
100 |
64 |
40 |
@
|
100 0001 |
101 |
65 |
41 |
A
|
100 0010 |
102 |
66 |
42 |
B
|
100 0011 |
103 |
67 |
43 |
C
|
100 0100 |
104 |
68 |
44 |
D
|
100 0101 |
105 |
69 |
45 |
E
|
100 0110 |
106 |
70 |
46 |
F
|
100 0111 |
107 |
71 |
47 |
G
|
100 1000 |
110 |
72 |
48 |
H
|
100 1001 |
111 |
73 |
49 |
I
|
100 1010 |
112 |
74 |
4A |
J
|
100 1011 |
113 |
75 |
4B |
K
|
100 1100 |
114 |
76 |
4C |
L
|
100 1101 |
115 |
77 |
4D |
M
|
100 1110 |
116 |
78 |
4E |
N
|
100 1111 |
117 |
79 |
4F |
O
|
101 0000 |
120 |
80 |
50 |
P
|
101 0001 |
121 |
81 |
51 |
Q
|
101 0010 |
122 |
82 |
52 |
R
|
101 0011 |
123 |
83 |
53 |
S
|
101 0100 |
124 |
84 |
54 |
T
|
101 0101 |
125 |
85 |
55 |
U
|
101 0110 |
126 |
86 |
56 |
V
|
101 0111 |
127 |
87 |
57 |
W
|
101 1000 |
130 |
88 |
58 |
X
|
101 1001 |
131 |
89 |
59 |
Y
|
101 1010 |
132 |
90 |
5A |
Z
|
101 1011 |
133 |
91 |
5B |
[
|
101 1100 |
134 |
92 |
5C |
\
|
101 1101 |
135 |
93 |
5D |
]
|
101 1110 |
136 |
94 |
5E |
^
|
101 1111 |
137 |
95 |
5F |
_
|
Binary |
Oct |
Dec |
Hex |
Glyph
|
110 0000 |
140 |
96 |
60 |
`
|
110 0001 |
141 |
97 |
61 |
a
|
110 0010 |
142 |
98 |
62 |
b
|
110 0011 |
143 |
99 |
63 |
c
|
110 0100 |
144 |
100 |
64 |
d
|
110 0101 |
145 |
101 |
65 |
e
|
110 0110 |
146 |
102 |
66 |
f
|
110 0111 |
147 |
103 |
67 |
g
|
110 1000 |
150 |
104 |
68 |
h
|
110 1001 |
151 |
105 |
69 |
i
|
110 1010 |
152 |
106 |
6A |
j
|
110 1011 |
153 |
107 |
6B |
k
|
110 1100 |
154 |
108 |
6C |
l
|
110 1101 |
155 |
109 |
6D |
m
|
110 1110 |
156 |
110 |
6E |
n
|
110 1111 |
157 |
111 |
6F |
o
|
111 0000 |
160 |
112 |
70 |
p
|
111 0001 |
161 |
113 |
71 |
q
|
111 0010 |
162 |
114 |
72 |
r
|
111 0011 |
163 |
115 |
73 |
s
|
111 0100 |
164 |
116 |
74 |
t
|
111 0101 |
165 |
117 |
75 |
u
|
111 0110 |
166 |
118 |
76 |
v
|
111 0111 |
167 |
119 |
77 |
w
|
111 1000 |
170 |
120 |
78 |
x
|
111 1001 |
171 |
121 |
79 |
y
|
111 1010 |
172 |
122 |
7A |
z
|
111 1011 |
173 |
123 |
7B |
{
|
111 1100 |
174 |
124 |
7C |
|
|
111 1101 |
175 |
125 |
7D |
}
|
111 1110 |
176 |
126 |
7E |
~
|