assignments/ascii-table.md
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# ASCII table
[ASCII](https://en.wikipedia.org/wiki/ASCII) abbreviated from *American Standard Code for Information Interchange*, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices. Most modern character-encoding schemes are based on ASCII, although they support many additional characters. ASCII is used to map characters to 7 bit wide integers and vice versa.
## Control Characters
The first 32 characters cannot be printed and are used purely for control.
| Decimal | Octal | Hexadecimal | Binary | Symbol | Description |
| :-----: | :---: | :---------: | :------: | :----: | :----------------------: |
| 0 | 000 | 00 | 00000000 | NUL | Null Char |
| 1 | 001 | 01 | 00000001 | SOH | Start of Heading |
| 2 | 002 | 02 | 00000010 | STX | Start of Text |
| 3 | 003 | 03 | 00000011 | ETX | End of Text |
| 4 | 004 | 04 | 00000100 | EOT | End of Transmission |
| 5 | 005 | 05 | 00000101 | ENQ | Enquiry |
| 6 | 006 | 06 | 00000110 | ACK | Acknowledgement |
| 7 | 007 | 07 | 00000111 | BEL | Bell |
| 8 | 010 | 08 | 00001000 | BS | Backspace |
| 9 | 011 | 09 | 00001001 | HT | Horizontal Tab |
| 10 | 012 | 0A | 00001010 | LF | New Line (Line Feed) |
| 11 | 013 | 0B | 00001011 | VT | Vertical Tab |
| 12 | 014 | 0C | 00001100 | FF | Form Feed |
| 13 | 015 | 0D | 00001101 | CR | Carriage Return |
| 14 | 016 | 0E | 00001110 | SO | Shift Out |
| 15 | 017 | 0F | 00001111 | SI | Shift In |
| 16 | 020 | 10 | 00010000 | DLE | Data Line Escape |
| 17 | 021 | 11 | 00010001 | DC1 | Device Control 1 (XON) |
| 18 | 022 | 12 | 00010010 | DC2 | Device Control 2 |
| 19 | 023 | 13 | 00010011 | DC3 | Device Control 3 (XOFF) |
| 20 | 024 | 14 | 00010100 | DC4 | Device Control 4 |
| 21 | 025 | 15 | 00010101 | NAK | Negative Acknowledgement |
| 22 | 026 | 16 | 00010110 | SYN | Synchronous Idle |
| 23 | 027 | 17 | 00010111 | ETB | End of Transmint Block |
| 24 | 030 | 18 | 00011000 | CAN | Cancel |
| 25 | 031 | 19 | 00011001 | EM | End Of Medium |
| 26 | 032 | 1A | 00011010 | SUB | Substitute |
| 27 | 033 | 1B | 00011011 | ESC | Escape |
| 28 | 034 | 1C | 00011100 | FS | File Seperator |
| 29 | 035 | 1D | 00011101 | GS | Group Seperator |
| 30 | 036 | 1E | 00011110 | RS | Record Seperator |
| 31 | 037 | 1F | 00011111 | US | Unit Seperator |
## Printable Characters
The codes 32 - 127 are all the printable characters. You will find almost every one of them on your keyboard.
| Decimal | Octal | Hexadecimal | Binary | Symbol | Description |
| :-----: | :---: | :---------: | :------: | :----: | :----------------------------------: |
| 32 | 040 | 20 | 00100000 | | Space |
| 33 | 041 | 21 | 00100001 | ! | Exclamation Mark |
| 34 | 042 | 22 | 00100010 | " | Double Quote or Spheech Mark |
| 35 | 043 | 23 | 00100011 | # | Hash, Number or Sharp |
| 36 | 044 | 24 | 00100100 | $ | Dollar |
| 37 | 045 | 25 | 00100101 | % | Percent or Modulus |
| 38 | 046 | 26 | 00100110 | & | Ampersand |
| 39 | 047 | 27 | 00100111 | ' | Single Quote |
| 40 | 050 | 28 | 00101000 | ( | Open Parenthesis |
| 41 | 051 | 29 | 00101001 | ) | Close Parenthesis |
| 42 | 052 | 2A | 00101010 | * | Asterisk or Multiply |
| 43 | 053 | 2B | 00101011 | + | Plus |
| 44 | 054 | 2C | 00101100 | , | Comma |
| 45 | 055 | 2D | 00101101 | - | Hyphen or Subtract |
| 46 | 056 | 2E | 00101110 | . | Period, Full Stop or Dot |
| 47 | 057 | 2F | 00101111 | / | Forward Slash or Divide |
| 48 | 060 | 30 | 00110000 | 0 | Zero |
| 49 | 061 | 31 | 00110001 | 1 | One |
| 50 | 062 | 32 | 00110010 | 2 | Two |
| 51 | 063 | 33 | 00110011 | 3 | Three |
| 52 | 064 | 34 | 00110100 | 4 | Four |
| 53 | 065 | 35 | 00110101 | 5 | Five |
| 54 | 066 | 36 | 00110110 | 6 | Six |
| 55 | 067 | 37 | 00110111 | 7 | Seven |
| 56 | 070 | 38 | 00111000 | 8 | Eight |
| 57 | 071 | 39 | 00111001 | 9 | Nine |
| 58 | 072 | 3A | 00111010 | : | Colon |
| 59 | 073 | 3B | 00111011 | ; | Semicolon |
| 60 | 074 | 3C | 00111100 | < | Less Than or Open Angled Bracket |
| 61 | 075 | 3D | 00111101 | = | Equals |
| 62 | 076 | 3E | 00111110 | > | Greater Than or Close Angled Bracket |
| 63 | 077 | 3F | 00111111 | ? | Question Mark |
| 64 | 100 | 40 | 01000000 | @ | At Symbol |
| 65 | 101 | 41 | 01000001 | A | Capital A |
| 66 | 102 | 42 | 01000010 | B | Capital B |
| 67 | 103 | 43 | 01000011 | C | Capital C |
| 68 | 104 | 44 | 01000100 | D | Capital D |
| 69 | 105 | 45 | 01000101 | E | Capital E |
| 70 | 106 | 46 | 01000110 | F | Capital F |
| 71 | 107 | 47 | 01000111 | G | Capital G |
| 72 | 110 | 48 | 01001000 | H | Capital H |
| 73 | 111 | 49 | 01001001 | I | Capital I |
| 74 | 112 | 4A | 01001010 | J | Capital J |
| 75 | 113 | 4B | 01001011 | K | Capital K |
| 76 | 114 | 4C | 01001100 | L | Capital L |
| 77 | 115 | 4D | 01001101 | M | Capital M |
| 78 | 116 | 4E | 01001110 | N | Capital N |
| 79 | 117 | 4F | 01001111 | O | Capital O |
| 80 | 120 | 50 | 01010000 | P | Capital P |
| 81 | 121 | 51 | 01010001 | Q | Capital Q |
| 82 | 122 | 52 | 01010010 | R | Capital R |
| 83 | 123 | 53 | 01010011 | S | Capital S |
| 84 | 124 | 54 | 01010100 | T | Capital T |
| 85 | 125 | 55 | 01010101 | U | Capital U |
| 86 | 126 | 56 | 01010110 | V | Capital V |
| 87 | 127 | 57 | 01010111 | W | Capital W |
| 88 | 130 | 58 | 01011000 | X | Capital X |
| 89 | 131 | 59 | 01011001 | Y | Capital Y |
| 90 | 132 | 5A | 01011010 | Z | Capital Z |
| 91 | 133 | 5B | 01011011 | [ | Open Square Bracket |
| 92 | 134 | 5C | 01011100 | \ | Backslash |
| 93 | 135 | 5D | 01011101 | ] | Close Square Bracket |
| 94 | 136 | 5E | 01011110 | ^ | Circumflex Accent |
| 95 | 137 | 5F | 01011111 | _ | Underscore |
| 96 | 140 | 60 | 01100000 | ` | Grave Accent |
| 97 | 141 | 61 | 01100001 | a | Lowercase a |
| 98 | 142 | 62 | 01100010 | b | Lowercase b |
| 99 | 143 | 63 | 01100011 | c | Lowercase c |
| 100 | 144 | 64 | 01100100 | d | Lowercase d |
| 101 | 145 | 65 | 01100101 | e | Lowercase e |
| 102 | 146 | 66 | 01100110 | f | Lowercase f |
| 103 | 147 | 67 | 01100111 | g | Lowercase g |
| 104 | 150 | 68 | 01101000 | h | Lowercase h |
| 105 | 151 | 69 | 01101001 | i | Lowercase i |
| 106 | 152 | 6A | 01101010 | j | Lowercase j |
| 107 | 153 | 6B | 01101011 | k | Lowercase k |
| 108 | 154 | 6C | 01101100 | l | Lowercase l |
| 109 | 155 | 6D | 01101101 | m | Lowercase m |
| 110 | 156 | 6E | 01101110 | n | Lowercase n |
| 111 | 157 | 6F | 01101111 | o | Lowercase o |
| 112 | 160 | 70 | 01110000 | p | Lowercase p |
| 113 | 161 | 71 | 01110001 | q | Lowercase q |
| 114 | 162 | 72 | 01110010 | r | Lowercase r |
| 115 | 163 | 73 | 01110011 | s | Lowercase s |
| 116 | 164 | 74 | 01110100 | t | Lowercase t |
| 117 | 165 | 75 | 01110101 | u | Lowercase u |
| 118 | 166 | 76 | 01110110 | v | Lowercase v |
| 119 | 167 | 77 | 01110111 | w | Lowercase w |
| 120 | 170 | 78 | 01111000 | x | Lowercase x |
| 121 | 171 | 79 | 01111001 | y | Lowercase y |
| 122 | 172 | 7A | 01111010 | z | Lowercase z |
| 123 | 173 | 7B | 01111011 | { | Open Curly Bracket |
| 124 | 174 | 7C | 01111100 | | | Vertical Bar |
| 125 | 175 | 7D | 01111101 | } | Close Curly Bracket |
| 126 | 176 | 7E | 01111110 | ~ | Tilde |
| 127 | 177 | 7F | 01111111 | | Delete |