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In 1973, ECMA-35 and ISO 2022 [18] attempted to define a method so an 8-bit "extended ASCII" code could be converted to a corresponding 7-bit code, and vice versa. [19] In a 7-bit environment, the Shift Out would change the meaning of the 96 bytes 0x20 through 0x7F [a] [21] (i.e. all but the C0 control codes), to be the characters that an 8-bit environment would print if it used the same code ...
English: US-ASCII (1967) Code Chart. "SUB" (column 1 / row 10) and other symbols were introduced with the 1967 revision. Control Characters: (see File:US ASCII Control Character Symbols.png )
In other words, it does not matter whether the key would have produced an upper-case or a lower-case letter. The interpretation of the control key with the space, graphics character, and digit keys (ASCII codes 32 to 63) varies between systems. Some will produce the same character code as if the control key were not held down.
English: US-ASCII (1967) Code Chart. "SUB" (column 1 / row 10) and other symbols were introduced with the 1967 revision. Control Characters: (see File:US ASCII Control Character Symbols.png )
USASCII code chart.png This SVG image was uploaded in a graphics format such as GIF , PNG , JPEG , or SVG . However, it consists purely or largely of information which is better suited to representation in wikitext (possibly using MediaWiki's special syntax for tables , math , or music ).
Print/export Download as PDF; Printable version; In other projects ... ASCII control characters; ASCII control code; ASCII control codes; B. Backspace; Bell character;
Control Pictures is a Unicode block containing characters for graphically representing the C0 control codes, and other control characters. Its block name in Unicode 1.0 was Pictures for Control Codes .
ASCII was incorporated into the Unicode (1991) character set as the first 128 symbols, so the 7-bit ASCII characters have the same numeric codes in both sets. This allows UTF-8 to be backward compatible with 7-bit ASCII, as a UTF-8 file containing only ASCII characters is identical to an ASCII file containing the same sequence of characters.