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ASCII Table

 Dec   Oct   Hex   Binary          Description
 
 000   000   00   00000000   ^@ ^` NULL NUL null c-@ c-`
 001   001   01   00000001   ^A ^a SOH GTL c-A c-a start-of-heading
 002   002   02   00000010   ^B ^b STX c-B c-b start-of-text
 003   003   03   00000011   ^C ^c ETX c-C c-c end-of-text
 004   004   04   00000100   ^D ^d EOT SDC end-of-transmission c-D c-d ..._._
 005   005   05   00000101   ^E ^e ENQ PPC c-E c-e enquiry
 006   006   06   00000110   ^F ^f ACK c-F c-f acknowledge
 007   007   07   00000111   ^G ^g BELL BEL bell c-G c-g \a
 008   010   08   00001000   ^H ^h BS GET backspace c-H c-h \b
 009   011   09   00001001   ^I ^i TAB TCT HT tab c-I c-i \t
 010   012   0A   00001010   ^J ^j LF lf linefeed c-J c-j \n
 011   013   0B   00001011   ^K ^k VT vertical-tab c-K c-k \v
 012   014   0C   00001100   ^L ^l FF ff formfeed page \f c-L c-l
 013   015   0D   00001101   ^M ^m CR cr carriage-return c-M c-m \r
 014   016   0E   00001110   ^N ^n SO c-N c-n shift-out
 015   017   0F   00001111   ^O ^o SI c-O c-o shift-in
 
 016   020   10   00010000   ^P ^p DLE c-P c-p data-link-escape
 017   021   11   00010001   ^Q ^q DC1 LLO go XON xon c-Q c-Q
 018   022   12   00010010   ^R ^r DC2 c-R c-r
 019   023   13   00010011   ^S ^s DC3 stop XOFF xoff c-S c-s
 020   024   14   00010100   ^T ^t DC4 DCL c-T c-t
 021   025   15   00010101   ^U ^u NAK PPU negative-acknowledge c-U c-u
 022   026   16   00010110   ^V ^v SYN c-V c-v synchronous-idle
 023   027   17   00010111   ^W ^w ETB end-of-transmission-block c-W c-w
 024   030   18   00011000   ^X ^x CAN SPE c-X c-x cancel
 025   031   19   00011001   ^Y ^y EM SPD c-Y c-y end-of-medium
 026   032   1A   00011010   ^Z ^z SUB suspend c-Z c-z substitute
 027   033   1B   00011011   ^[ ^{ ESC escape c-[ c-{ m-
 028   034   1C   00011100   ^\ ^| FS field-separator c-\ c-|
 029   035   1D   00011101   ^] ^} GS group-separator
 030   036   1E   00011110   ^^ ^~ RS record-separator c-^ c-~
 031   037   1F   00011111   ^_ ^DEL unit-separator US c-_ c-DEL

 032   040   20   00100000   SPC space spc
 033   041   21   00100001   ! exclamation-point bang wow boing hey
 034   042   22   00100010   " straight-double-quotation-mark dirk
 035   043   23   00100011   # number-sign she sharp crosshatch octothorpe
 036   044   24   00100100   $ @@ dollar-sign money buck escape
 037   045   25   00100101   % percent-sign per double-o-seven mod
 038   046   26   00100110   & ampersand and address snowman donald-duck
 039   047   27   00100111   ' apostrophe quote tick prime
 040   050   28   00101000   ( left-parenthesis open sad
 041   051   29   00101001   ) right-parenthesis close happy
 042   052   2A   00101010   * asterisk star times wildcard Hale
 043   053   2B   00101011   + addition-sign plus and
 044   054   2C   00101100   , comma __..__
 045   055   2D   00101101   - subtraction-sign minus hyphen negative dash
 046   056   2E   00101110   . period dot decimal radix full-stop ._._._
 047   057   2F   00101111   / right-slash virgule stroke over

 048   060   30   00110000   0 _____
 049   061   31   00110001   1 .____
 050   062   32   00110010   2 ..___
 051   063   33   00110011   3 ...__
 052   064   34   00110100   4 ...._
 053   065   35   00110101   5 .....
 054   066   36   00110110   6 _....
 055   067   37   00110111   7 __...
 056   070   38   00111000   8 ___..
 057   071   39   00111001   9 ____.
 058   072   3A   00111010   : colon double-dots ___...
 059   073   3B   00111011   ; semicolon go-on _._._.
 060   074   3C   00111100    greater-than (bra)ket out east right-chevron
 063   077   3F   00111111   ? UNL question-mark query what  ..__..

 064   100   40   01000000   @ at-symbol at-sign strudel whirl snail
 065   101   41   01000001   A ._
 066   102   42   01000010   B _...
 067   103   43   01000011   C _._.
 068   104   44   01000100   D _..
 069   105   45   01000101   E .
 070   106   46   01000110   F .._.
 071   107   47   01000111   G __.
 072   110   48   01001000   H ....
 073   111   49   01001001   I ..
 074   112   4A   01001010   J .___
 075   113   4B   01001011   K _._
 076   114   4C   01001100   L ._..
 077   115   4D   01001101   M __
 078   116   4E   01001110   N _.
 079   117   4F   01001111   O ___

 080   120   50   01010000   P .__.
 081   121   51   01010001   Q __._
 082   122   52   01010010   R ._.
 083   123   53   01010011   S ...
 084   124   54   01010100   T _
 085   125   55   01010101   U .._
 086   126   56   01010110   V ..._
 087   127   57   01010111   W .__
 088   130   58   01011000   X _.._
 089   131   59   01011001   Y _.__
 090   132   5A   01011010   Z __..
 091   133   5B   01011011   [ left-bracket open-square
 092   134   5C   01011100   \ left-slash backslash bash
 093   135   5D   01011101   ] right-bracket close-square
 094   136   5E   01011110   ^ hat circumflex caret up-arrow
 095   137   5F   01011111   _ UNT underscore underbar 

 096   140   60   01100000   ` accent-grave backprime backquote
 097   141   61   01100001   a alpha able
 098   142   62   01100010   b bravo baker
 099   143   63   01100011   c charlie
 100   144   64   01100100   d delta
 101   145   65   01100101   e echo
 102   146   66   01100110   f foxtrot fox
 103   147   67   01100111   g golf
 104   150   68   01101000   h hotel
 105   151   69   01101001   i india
 106   152   6A   01101010   j juliett
 107   153   6B   01101011   k kilo
 108   154   6C   01101100   l lima
 109   155   6D   01101101   m mike
 110   156   6E   01101110   n november
 111   157   6F   01101111   o oscar

 112   160   70   01110000   p papa
 113   161   71   01110001   q quebec
 114   162   72   01110010   r romeo
 115   163   73   01110011   s sierra
 116   164   74   01110100   t tango
 117   165   75   01110101   u uniform
 118   166   76   01110110   v victor
 119   167   77   01110111   w whiskey
 120   170   78   01111000   x x-ray
 121   171   79   01111001   y yankee
 122   172   7A   01111010   z zulu
 123   173   7B   01111011   { left-brace begin leftit
 124   174   7C   01111100   | logical-or vertical-bar pipe
 125   175   7D   01111101   } right-brace end rightit
 126   176   7E   01111110   ~ similar tilde wave squiggle approx wave
 127   177   7F   01111111   ^? DEL rubout delete

ASCII Character Set

This page shows a chart and table of the American Standard Code for Information Interchange (ASCII) character set. Each ASCII character has a corresponding 7-bit code; practically all modern computers follow this correspondence in their character displays. Note that the coding for ASCII characters runs from 00 to 7F (hex). Characters from 80 to FF (hex) (using an 8-bit code with the MSB set to 1) are not defined in ASCII. Use of these additional codes varies widely among computer systems.

Here's a nice trick for sending control characters. On most keyboards, rows 4 and 5 (or rows 6 and 7) of the ASCII chart are mapped onto rows 0 and 1 by way of a modifier key, usually the control key on a keyboard. For example, to generate a linefeed, press control-J; to generate a carriage return, press control-M. The Macintosh keyboard supports most of this mapping.


Physical Device Controls: Format Effectors

Physical Device Controls: Other

Logical Communications Controls

Physical Communications Controls

Information Separators

Controls for Code Extensions