
Extended
ASCII Codes
As people
gradually required computers to understand additional characters and
non-printing characters the ASCII set became restrictive. As with most
technology, it took a while to get a single standard for these extra
characters and hence there are few varying 'extended' sets. The most
popular is presented below.

随着计算机技术的发展,原始的ASCII字符集已无法满足人们对于更多字符及非打印字符的需求。因此产生了多种扩展ASCII标准以适应这一变化。本文介绍了扩展ASCII码的背景及其最流行的标准。
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