C Programming For Beginners (2015)
Appendix B - ASCII Character Set
The following are the character codes used in the ASCII character set. Codes 0 to 31, and 127, are used for control characters. Some common ones are:
0 |
NULL |
|
8 |
backspace (BS) |
|
10 |
line feed (LF) |
|
12 |
form feed (FF) |
|
13 |
carriage return (CR) |
The characters with codes 32 to 127 are shown in the table below.
Decimal |
Binary |
Char |
32 |
0100000 |
space |
33 |
0100001 |
! |
34 |
0100010 |
" |
35 |
0100011 |
# |
36 |
0100100 |
$ |
37 |
0100101 |
% |
38 |
0100110 |
& |
39 |
0100111 |
' |
40 |
0101000 |
( |
41 |
0101001 |
) |
42 |
0101010 |
* |
43 |
0101011 |
+ |
44 |
0101100 |
, |
45 |
0101101 |
- |
46 |
0101110 |
. |
47 |
0101111 |
/ |
48 |
0110000 |
0 |
49 |
0110001 |
1 |
50 |
0110010 |
2 |
51 |
0110011 |
3 |
52 |
0110100 |
4 |
53 |
0110101 |
5 |
54 |
0110110 |
6 |
55 |
0110111 |
7 |
56 |
0111000 |
8 |
57 |
0111001 |
9 |
58 |
0111010 |
: |
59 |
0111011 |
; |
60 |
0111100 |
< |
61 |
0111101 |
= |
62 |
0111110 |
> |
63 |
0111111 |
? |
64 |
1000000 |
@ |
65 |
1000001 |
A |
66 |
1000010 |
B |
67 |
1000011 |
C |
68 |
1000100 |
D |
69 |
1000101 |
E |
70 |
1000110 |
F |
71 |
1000111 |
G |
72 |
1001000 |
H |
73 |
1001001 |
I |
74 |
1001010 |
J |
75 |
1001011 |
K |
76 |
1001100 |
L |
77 |
1001101 |
M |
78 |
1001110 |
N |
79 |
1001111 |
O |
80 |
1010000 |
P |
81 |
1010001 |
Q |
82 |
1010010 |
R |
83 |
1010011 |
S |
84 |
1010100 |
T |
85 |
1010101 |
U |
86 |
1010110 |
V |
87 |
1010111 |
W |
88 |
1011000 |
X |
89 |
1011001 |
Y |
90 |
1011010 |
Z |
91 |
1011011 |
[ |
92 |
1011100 |
\ |
93 |
1011101 |
] |
94 |
1011110 |
^ |
95 |
1011111 |
_ |
96 |
1100000 |
` |
97 |
1100001 |
a |
98 |
1100010 |
b |
99 |
1100011 |
c |
100 |
1100100 |
d |
101 |
1100101 |
e |
102 |
1100110 |
f |
103 |
1100111 |
g |
104 |
1101000 |
h |
105 |
1101001 |
i |
106 |
1101010 |
j |
107 |
1101011 |
k |
108 |
1101100 |
l |
109 |
1101101 |
m |
110 |
1101110 |
n |
111 |
1101111 |
o |
112 |
1110000 |
p |
113 |
1110001 |
q |
114 |
1110010 |
r |
115 |
1110011 |
s |
116 |
1110100 |
t |
117 |
1110101 |
u |
118 |
1110110 |
v |
119 |
1110111 |
w |
120 |
1111000 |
x |
121 |
1111001 |
y |
122 |
1111010 |
z |
123 |
1111011 |
{ |
124 |
1111100 |
| |
125 |
1111101 |
} |
126 |
1111110 |
~ |
127 |
1111111 |
DEL |