Briefly describe the process by which Chinese characters are encoded from input to output

1."book"It's several"book"The combination of words.

2."Look"It is to put your hand on the eyes, and there is the meaning of looking into the distance.

3."Dan Ri Yi" (the "one" below means "earth", which is connected with "hexagram Sanyang" and "heaven, man, and earth").

4."Manifest the day" ("karma", which means that there are dense trees on the ground, and the "day" has reached the treetops, which is too clear and "obvious").

5.There is a month in the word "" for hand, and "month" for meat. The original meaning of the word "have" is "there is meat under the hands", and if there is meat to eat, you will not starve. "Yes" is further differentiated to form the concept of "one, two, three, many" and so on.

6.Noisy mouth pin wood ("pin wood", indicating that there are many birds chirping on the tree, "pin" three mouths, judging the head and taste.

7.Loud Page ("Loud", from, from. page, head also).

8.Soil 11 (in "Shuowen Jie Zi", soil two丨, from two, two is a yin number, like the earth. In the fuzzy metacode, it is intuitively divided into "eleven", which is the same as "eleven". ）

9.垚 (yáo) 土土土) (垚, 土高也. Such as: Yao Yao Wu, Gao also, from Yao on Wu, Gao Yuan. ）

10."Trial (trial) 宀番 宀 Caitian", "Fan" refers to the footprints of wild beasts in the field. "Picking" distinguishes also, like the finger claws of beasts. "Trial", Xi also.

Pinyin, Wubi, Zheng code, etc. are collectively referred to as the input code, Chinese character input is to convert the input code into the machine code, Chinese character output is to find the corresponding word in the font library according to the machine code, and the Chinese character can be displayed after finding.

In the process of processing Chinese character information, the Chinese character encoding needs to be used as follows:

1) Chinese character input code, referred to as external code, its function is to input Chinese character information into the computer;

2) Chinese character exchange code, which is used to exchange Chinese characters between Chinese character information systems;

3) Chinese character internal code, which is used by the information processing system to store, process and transmit Chinese characters;

4) Chinese character glyph code, which is used to represent the encoding of Chinese character glyph information, and is used when displaying or printing;

Input codes (numeric encoding, pinyin encoding, glyph encoding) area code, national standard code, machine code, glyph code (dot matrix and vector) and other encodings: GBK code, BIG5 code, universal character set and Unicode.

Function: Input code: In order to directly use the Western standard keyboard to input Chinese characters into the computer area code and national standard code:

The information processed internally by the computer is represented in binary**, and Chinese characters are no exception. Binary** is inconvenient to use, so it is necessary to use information exchange codes. The area code is another manifestation of the national standard code, the Chinese characters and graphic symbols in the national standard GB2312--80 form a 94 94 square, divided into 94 "districts", each district contains 94 "bits", of which the serial number of "district" is from 01 to 94, and the serial number of "bit" is also from 01 to the total number of positions in the district = 94 94 = 8836, of which each of the 7445 Chinese characters and graphic characters occupies a position, leaving 1391 empty positions, These 1,391 positions are vacant and reserved.

In-machine code: The encoding used in the internal processing of Chinese characters by the computer, no matter what input method input Chinese characters, they are converted into a unified in-machine code when stored in memory.

Glyph code: used to output various fonts, font size text and symbols on the monitor or printer.

Pinyin, Wubi, Zheng code, etc. are collectively referred to as input codes, Chinese character input.

It is to convert the input code into the machine code, and the output of Chinese characters is to find the corresponding word in the font library according to the machine code, and the Chinese characters can be displayed after being found.

Due to the variety of encoding schemes for Chinese character input codes, if the same Chinese character adopts different encoding schemes, its input codes may be different.

If the Chinese character input code itself is stored inside the computer, it will cause the same Chinese character to be represented by different encodings in the machine, which is obviously unreasonable, and also increases the difficulty of processing Chinese characters inside the computer. In order to unify the various input codes of Chinese characters within the computer, the in-camera code of Chinese characters was introduced.

Pinyin, Wubi, Zheng code, etc. are collectively referred to as the round cherry blossom input code, Chinese character input is to convert the input code into the machine code, Han orange Cong word output is the root bend digging machine code in the font library to find the corresponding word, after finding the Chinese characters.

A Looks like there should be a sound code to be complete.

The same can be said.

The Chinese character system stipulates the ** input computer for each Chinese character, that is, the external code of the Chinese character, and the keyboard input Chinese character is the external code of the input Chinese character. In order to recognize Chinese characters, the computer converts the outer code of the Chinese character into the internal code of the Chinese character for processing and storage. In order to output Chinese characters in the form of dot matrix, it is also necessary to convert the internal code of Chinese characters into the glyph code of Chinese characters, and determine the dot matrix of a Chinese character.

In addition, when computers and other systems or devices need to exchange information and data, they must also use exchange codes. (1) External code The external code is a set of keyboard symbols that represent a certain Chinese character by the computer input Chinese character. The external code is also called the Chinese character input code.

In order to establish a user-friendly interface, the rules of the input code must be simple and clear, intuitive and easy to learn, easy to remember, easy to operate, short code bit, fast input speed, and less heavy code, which not only meets the learning of beginners, but also meets the requirements of professional inputers, and is convenient for blind typing. The input method of Chinese characters is different, and the outer code of the same Chinese character may be different. According to the attributes of Chinese characters (the amount of Chinese characters, the shape of Chinese characters, the pronunciation of Chinese characters, and the frequency of use), hundreds of encoding schemes for Chinese characters have been proposed.

Due to the different users, different uses, and different encoding methods, there is no need to force uniformity on what encoding scheme to use. For example, pinyin code and Wubi font are more popular with general users. (2) Internal code The internal code of Chinese characters is also known as the internal code of Chinese characters or the internal code of Chinese characters.

The computer processes Chinese characters, in fact, it processes the ** of Chinese characters. When the computer inputs an external code, it usually needs to be converted into an internal code before it can be stored, calculated, and transmitted. Generally, two bytes are used to represent the internal code of a Chinese character.

Internal codes are often represented by the physical location of Chinese characters in the font, such as the serial number of Chinese characters in the font or the storage location of Chinese characters in the font. Note that in general, the internal code of Chinese characters cannot conflict with the encoding of Western characters (ACSII code, EBCDIC code, etc.), and it is easy to distinguish Chinese characters from Western characters. Occupy as few bytes as possible to represent as many Chinese characters as possible; Compatible with standard exchange codes (with as simple and unambiguous correspondence as possible; There is no ambiguity and uncertainty in the operation). In addition to the two-byte internal code of Chinese characters, there are also three-byte internal codes, four-byte internal codes, internal codes of Chinese characters with guide codes, internal codes of Chinese characters with symbols, and internal codes of Chinese characters with parentheses.

3) Exchange code When the computer or with the terminal for information exchange, the Chinese character ** information transmitted between them is required to be completely consistent, and the state stipulates the standard Chinese character exchange code for information exchange"GB312-80 Chinese character encoding character set (basic set) for information exchange", that is, the national standard code. A total of 7,445 graphic characters were collected in the national standard code, including 6,763 Chinese characters, 709 general symbols, numbers, Latin letters, Greek letters, and Chinese pinyin. (4) Chinese character output code, also known as the code of Chinese character glyph code or Chinese character generator.

In order to output Chinese characters, a string of binary numbers that digitize the glyphs of Chinese characters through a dot matrix is called a Chinese character output code.