GS (Group Separator):
It is used as a group separator character.
RS (Record Separator):
It is used as a record separator character.
US (United Separator):
It is a united separator character.
The second group of 32 ASCII character codes has various punctuation symbols, special characters, and the numeric digits. The most notable characters in this group include the following:
- space character (ASCII code 20H)
- numeric digits 0 through 9 (ASCII codes 30h through 39h)
- mathematical and logical symbols
SP (Space):
It is a non printing character used to separate words or to move the printing mechanism or to display the cursor forward by one position.
The third group of 32 ASCII characters is the group of upper case alphabetic characters. The ASCII codes for the characters A through Z lie in the range 41H through 5AH. Since there are only 26 different alphabetic characters, the remaining six codes hold various special symbols.
The fourth group of 32 ASCII character codes is the group of lower case alphabetic symbols, five additional special symbols and another control character delete.
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