ASCII
A character encoding scheme used by many
computers. The ASCII standard uses 7 of the 8 bits a
byte to define the codes for 128 characters. Example: in
ASCII, the number seven is a treated as a character and is encoded as:
00010111. Because a byte can have a total of 256 possible values, there are
an additional 128 possible characters that can be encoded into a byte, but
there is no formal ASCII standard for those additional 128 characters. Most
IBM compatible personal computers do use an IBM "extended" character set
that includes international characters, line and box drawing characters,
Greek letters, and mathematical symbols. (ASCII stands for American Standard
Code for Information Interchange.) See also EBCDIC .
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