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Re: Apocalypse 12

by Abigail-II (Bishop)
on Apr 22, 2004 at 14:06 UTC ( [id://347368]=note: print w/replies, xml ) Need Help??

in reply to Re^2: Re: Apocalypse 12
in thread Apocalypse 12

ASCII isn't necessarely 7 bits wide. There are 128 different characters, so you could encode them using just 7 bits. But that's pretty unusual, especially nowadays, given that bytes are typically 8 bits wide. Common ways of encoding ASCII characters use bytes, with either the high bit being 0, or by using one of the bits as a parity bit - to be able to do some error detection.

Also, ISO 8859 is a class of character sets, all supersets of ASCII, having the code points 0x80 - 0x9F undefined and the highest code point being 0xFF. But there are various mappings of the code points 0xA0 - 0XFF to characters; one of those mappings (for Western European languages) being ISO 8859-1, and only that one is known as ISO Latin-1. It's in many countries that used ISO 8859-1 superceeded by ISO 8859-15, which includes a € sign. But there are other mappings part of ISO 8859 as well.


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Re^4: Apocalypse 12
by adrianh (Chancellor) on Apr 22, 2004 at 23:08 UTC

    Fair points ;-)

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