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Firstly, Unicode is a character set standard used for displaying and processing language data in computer applications. The Unicode character set is the entire world's set of characters, including letters, numbers, currencies, symbols and the like, supporting a number of character encodings to make that all happen. Before your eyes glaze over, let me explain what character encoding means. You have to remember that for a computer, My First Online Payday Review all information is represented in zeros and ones (i.e. binary values). So if you think of the letter A in the ASCII standard of zeros and ones it would look like this: 1000001. That is, a 1 then five zeros and a 1 to make a total of 7 bits. This binary representation for A is called A's code point, and this mapping of zeros and ones to characters is called the character encoding. In the early days of computing, unless you did something very special, ASCII (7 bits per character) was how your data got managed. The problem is that ASCII doesn't leave you enough zeros and ones to represent extended characters, like accents and characters specific to non-English alphabets, such as you find in European languages.
You certainly can't support the complex characters that make up Chinese, Korean and Japanese languages. These languages require 8-bit (single-byte) or 16-bit (double-byte) character encodings. One important note on all of these single- and double-byte encodings is that they are a superset of 7-bit ASCII encoding, which means that English code points will always be the same regardless the encoding.In the early computing days, specific My First Online Payday character single- and double-byte encodings were developed to support various languages. That was very bad, as it meant that software developers needed to build a version of their application for every language they wanted to support that used a different encoding. You'd have the Japanese version, the Western European language version, the English-only version and so on. You'd end up with a hoard of individual software code bases, each needing their own testing, updating and ongoing maintenance and support, which is very expensive, and pretty near impossible for businesses to realistically support without serious digressions among the various language versions over time.
You don't see this problem very often for newly developed applications, but there are plenty of holdovers. We see it typically when a new client has turned over their source code to a particular country partner or marketing agent which was responsible for adapting the code to multiple languages. The worst case I saw was in 2004 when a particular client, who I will leave unmentioned, had a legacy product with 18 separate language versions and had no real idea any longer the level of functionality that varied from language to language. That's no way to grow a corporate empire!A single-byte character set that we often see in applications is ISO Latin 1, which is represented in various encoding standards such as ISO-8859-1 for UNIX, Windows-1252 for Windows and MacRoman on guess what platform. This character set supports characters used in Western European languages such as French, Spanish, German, and U.K. English. Since each character requires only a single byte, this character set provides support for multiple languages, while avoiding the work required to support either Unicode or a double-byte encoding.
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