翻訳と辞書
Words near each other
・ message passing
・ message passing interface
・ message switching
・ message transfer agent
・ message transport agent
・ messaging application programming interface
・ messaging applications programming interface
・ met-english
・ meta
・ meta 5
meta bit
・ meta element
・ meta tag
・ meta-case tool
・ meta-crystal
・ meta-data
・ meta-ii
・ meta-iv
・ meta-vlisp
・ metacard


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meta bit : FOLDOC
meta bit
The top bit of an 8-bit character, which is on in character values 128--255. Also called high bit, alt bit, or hobbit. Some terminals and consoles (see space-cadet keyboard) have a META shift key. Others (including, *mirabile dictu*, keyboards on IBM PC-class machines) have an ALT key. See also bucky bits.
Historical note: although in modern usage shaped by a universe of 8-bit bytes the meta bit is invariably hex 80 (octal 0200), things were different on earlier machines with 36 bit words and 9-bit bytes. The MIT and Stanford keyboards (see space-cadet keyboard) generated hex 100 (octal 400) from their meta keys.
[Jargon File]



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