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There are 96 graphic characters. Two of these, the space and the delete, are not “visible”, and may be ciassified with the control characters.
The graphic characters may be divided into three groups of 32 characters, which may be roughly characterised as
numeric and special characters
upper case alphabetic characters
lower case alphabetic characters.
Of course, since there are only 26 alphabetic characters, the latter two groups include some special characters as well. In particular, the last group includes the following six nonalphabetic characters:
140 |
‘ |
reverse apostrophe |
173 |
{ |
left brace |
174 |
| |
vertical bar |
175 |
} |
right brace |
176 |
~ |
tilde |
177 |
delete |
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