ASCII control characters
ASCII reserves the first 32 codes (numbers 0–31 decimal) for control characters: codes originally intended not to represent printable information, but rather to control devices (such as printers) that make use of ASCII, or to provide meta-information about data streams such as those stored on magnetic tape.(refernce wikipedia)
Binary Code | Hex Code | Decimal | Ctrl | Code | 000 0000 | 00 | 0 | ^@ | NUL | 000 0001 | 01 | 1 | ^A | SOH | 000 0010 | 02 | 2 | ^B | STX | 000 0011 | 03 | 3 | ^C | ETX | 000 0100 | 04 | 4 | ^D | EOT | 000 0101 | 05 | 5 | ^E | ENQ | 000 0110 | 06 | 6 | ^F | ACK | 000 0111 | 07 | 7 | ^G | BEL | 000 1000 | 08 | 8 | ^H | BS | 000 1001 | 09 | 9 | ^I | HT | 000 1010 | 0A | 10 | ^J | LF | 000 1011 | 0B | 11 | ^K | VT | 000 1100 | 0C | 12 | ^L | FF | 000 1101 | 0D | 13 | ^M | CR | 000 1110 | 0E | 14 | ^N | SO | 000 1111 | 0F | 15 | ^O | SI | 001 0000 | 10 | 16 | ^P | DLE |
| Binary Code | Hex Code | Decimal | Ctrl | Code | 001 0001 | 11 | 17 | ^Q | DC1 | 001 0010 | 12 | 18 | ^R | DC2 | 001 0011 | 13 | 19 | ^S | DC3 | 001 0100 | 14 | 20 | ^T | DC4 | 001 0101 | 15 | 21 | ^U | NAK | 001 0110 | 16 | 22 | ^V | SYN | 001 0111 | 17 | 23 | ^W | ETB | 001 1000 | 18 | 24 | ^X | CAN | 001 1001 | 19 | 25 | ^Y | EM | 001 1010 | 1A | 26 | ^Z | SUB | 001 1011 | 1B | 27 | ^[ | ESC | 001 1100 | 1C | 28 | ^\ | FS | 001 1101 | 1D | 29 | ^] | GS | 001 1110 | 1E | 30 | ^^ | RS | 001 1111 | 1F | 31 | ^_ | US |
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ASCII printable characters
Codes 32 to 126(decimal values), known as the printable characters, represent letters, digits, punctuation marks, and a few miscellaneous symbols. There are 95 printable characters in total.(reference Wikipedia)
Binary Code | Hex Code | Decimal | Character | 0100000 | 20 | 32 | | 00100001 | 21 | 33 | ! | 00100010 | 22 | 34 | “ | 00100011 | 23 | 35 | # | 00100100 | 24 | 36 | $ | 00100101 | 25 | 37 | % | 00100110 | 26 | 38 | & | 00100111 | 27 | 39 | ‘ | 00101000 | 28 | 40 | ( | 00101001 | 29 | 41 | ) | 00101010 | 2A | 42 | * | 00101011 | 2B | 43 | + | 00101100 | 2C | 44 | , | 00101101 | 2D | 45 | – | 00101110 | 2E | 46 | . | 00101111 | 2F | 47 | / | 00110000 | 30 | 48 | 0 | 00110001 | 31 | 49 | 1 | 00110010 | 32 | 50 | 2 | 00110011 | 33 | 51 | 3 | 00110100 | 34 | 52 | 4 | 00110101 | 35 | 53 | 5 | 00110110 | 36 | 54 | 6 | 00110111 | 37 | 55 | 7 | 00111000 | 38 | 56 | 8 | 00111001 | 39 | 57 | 9 | 00111010 | 3A | 58 | : | 00111011 | 3B | 59 | ; | 00111100 | 3C | 60 | < | 00111101 | 3D | 61 | = | 00111110 | 3E | 62 | > | 00111111 | 3F | 63 | ? | 01000000 | 40 | 64 | @ | 01000001 | 41 | 65 | A | 01000010 | 42 | 66 | B | 01000011 | 43 | 67 | C | 01000100 | 44 | 68 | D | 01000101 | 45 | 69 | E | 01000110 | 46 | 70 | F | 01000111 | 47 | 71 | G | 01001000 | 48 | 72 | H | 01001001 | 49 | 73 | I | 01001010 | 4A | 74 | J | 01001011 | 4B | 75 | K | 01001100 | 4C | 76 | L | 01001101 | 4D | 77 | M | 01001110 | 4E | 78 | N | 01001111 | 4F | 79 | O | 01010000 | 50 | 80 | P |
| Binary Code | Hex Code | Decimal | Character | 01010001 | 51 | 81 | Q | 01010010 | 52 | 82 | R | 01010011 | 53 | 83 | S | 01010100 | 54 | 84 | T | 01010101 | 55 | 85 | U | 01010110 | 56 | 86 | V | 01010111 | 57 | 87 | W | 01011000 | 58 | 88 | X | 01011001 | 59 | 89 | Y | 01011010 | 5A | 90 | Z | 01011011 | 5B | 91 | [ | 01011100 | 5C | 92 | \ | 01011101 | 5D | 93 | ] | 01011110 | 5E | 94 | ^ | 01011111 | 5F | 95 | _ | 01100000 | 60 | 96 | ` | 01100001 | 61 | 97 | a | 01100010 | 62 | 98 | b | 01100011 | 63 | 99 | c | 01100100 | 64 | 100 | d | 01100101 | 65 | 101 | e | 01100110 | 66 | 102 | f | 01100111 | 67 | 103 | g | 01101000 | 68 | 104 | h | 01101001 | 69 | 105 | i | 01101010 | 6A | 106 | j | 01101011 | 6B | 107 | k | 01101100 | 6C | 108 | l | 01101101 | 6D | 109 | m | 01101110 | 6E | 110 | n | 01101111 | 6F | 111 | o | 01110000 | 70 | 112 | p | 01110001 | 71 | 113 | q | 01110010 | 72 | 114 | r | 01110011 | 73 | 115 | s | 01110100 | 74 | 116 | t | 01110101 | 75 | 117 | u | 01110110 | 76 | 118 | v | 01110111 | 77 | 119 | w | 01111000 | 78 | 120 | x | 01111001 | 79 | 121 | y | 01111010 | 7A | 122 | z | 01111011 | 7B | 123 | { | 01111100 | 7C | 124 | | | 01111101 | 7D | 125 | } | 1111110 | 7E | 126 | ~ |
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