Information Technology Reference
In-Depth Information
E
ASCII Character Code
E.1 Standard ASCII
ANSI defined a standard alphabet known as ASCII. This has since been adopted by the
CCITT as a standard, known as IA5 (International Alphabet No. 5). The following tables de-
fine this alphabet in binary, as a decimal value, as a hexadecimal value and as a character.
Binary
Decimal
Hex
Character
Binary
Decimal
Hex
Character
00000000 0
00 NUL
00010000 16
10 DLE
00000001 1
01 SOH
00010001 17
11 DC1
00000010 2
02 STX
00010010 18
12 DC2
00000011 3
03 ETX
00010011 19
13 DC3
00000100 4
04 EOT
00010100 20
14 DC4
00000101 5
05 ENQ
00010101 21
15 NAK
00000110 6
06 ACK
00010110 22
16 SYN
00000111 7
07 BEL
00010111 23
17 ETB
00001000 8
08 BS
00011000 24
18 CAN
00001001 9
09 HT
00011001 25
19 EM
00001010 10
0A LF
00011010 26
1A SUB
00001011 11
0B VT
00011011 27
1B ESC
00001100 12
0C FF
00011100 28
1C FS
00001101 13
0D CR
00011101 29
1D GS
00001110 14
0E SO
00011110 30
1E RS
00001111 15
0F SI
00011111 31
1F US
Binary
Decimal
Hex
Character
Binary
Decimal
Hex
Character
00100000 32
20 SPACE 00110000 48
30 0
00100001 33
21 !
00110001 49
31 1
00100010 34
22 “
00110010 50
32 2
00100011 35
23 #
00110011 51
33 3
00100100 36
24 $
00110100 52
34 4
00100101 37
25 %
00110101 53
35 5
00100110 38
26 &
00110110 54
36 6
00100111 39
27 /
00110111 55
37 7
00101000 40
28 (
00111000 56
38 8
00101001 41
29 )
00111001 57
39 9
00101010 42
2A *
00111010 58
3A :
00101011 43
2B +
00111011 59
3B ;
00101100 44
2C ,
00111100 60
3C <
00101101 45
2D -
00111101 61
3D =
00101110 46
2E .
00111110 62
3E >
00101111 47
2F /
00111111 63
3F ?
