\021 17 DC1 \x11 ^Q (Device control 1) (XON) (Default UNIX START char.) \015 13 CR \x0D ^M \r (Carriage return) (see: End of Line below) \012 10 LF \x0A ^J \n (Line feed) (Default UNIX NL) (see End of Line below) \010 8 BS \x08 ^H \b (Backspace) (\b matches backspace inside only) \004 4 EOT \x04 ^D (End of transmission) (see: UNIX keyboard CTRL) \003 3 ETX \x03 ^C (End of text) (see: UNIX keyboard CTRL) %40 = CharactersĬTRL (^D means to hold the CTRL key and hit d) HTML Character References use the Decimal code. Since its use varies from one system toĪnother, we will explicitly write only the first 7 bits. The msb of the byte is not written because it is sometimes reservedįor a parity bit (an error check: see later) and on some micro computersĪnother 128 special symbols (graphic characters or mathematical symbols) areĭefined using this eighth bit. The standard ASCII set consists of 128 binary codes, from 000 0000 to 111ġ111. ItĬontains a binary code for all the characters generated by the keyboard, andĪ few others that are not generated by all keyboards. , ASCII is used, so that is all we will discuss here.ĪSCII is by far the more common of the two.ĪSCII stands for American Standard Code for Information Interchange. See also: Special Character Names Character UsageĬharacter data: ASCII and EBCDIC.
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