The first line of an English paper is indented by four letters, which means indented by two characters. The two characters in English are actually two English letters, that is, two binary digits, and each character in Chinese characters represents two binary digits.

In ASCII coding, it takes 1 byte to store an English alphabetic character. In GB 23 12 coding or GBK coding, a Chinese character needs to store 2 bytes. In UTF-8 coding, an English alphabetic character memory needs 1 byte, and a Chinese character memory needs 3 to 4 bytes.

In UTF- 16 coding, an English alphabetic character or a Chinese character needs 2 bytes (some Chinese characters in Unicode extension need 4 bytes). In UTF-32 coding, it takes 4 bytes to store any character in the world.

Extended data:

Applications of the Microsoft common language runtime use encoding to map character representations from native character schemes to other schemes. An application uses decoding to map characters from a non-local scheme to a local scheme.

Computers and communication devices will use character encoding to represent characters. It means that a role will be assigned to something. Traditionally, it represents an integer bit sequence, so it can be transmitted through the network and stored easily. Two common examples are UTF-8 in ASCII and Unicode.

According to Google's statistics, UTF-8 is the most commonly used web page coding method. Compared with most character codes (corresponding characters to numbers or bit strings), Morse cipher uses a series of electronic pulses with variable length to represent characters.