What does Windows double byte mean?

This article introduces the relevant knowledge of "what is the meaning of Windows double bytes". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Double bytes account for two bytes, that is, double-byte characters contain two bytes with a total of 16 bits, while Chinese characters account for two bytes, while single bytes account for only one word, which is an English character.

This article operating environment: Windows7 system, Dell G3 computer.

What does double byte mean?

Single byte means that it occupies only one word and is an English character. Double words account for two bytes, and Chinese characters account for two bytes.

Single-byte English is byte; bit is the smallest numerical unit, its English is bit.

A byte contains 8 bits, usually the ascii code that computer beginners come into contact with is a single-byte character, because the computer is binary, a bit can only be represented as 0 or 1. Those 8 bits (usually from right to left) can have different numerical representations of 0,127 (2 to the power of 8 minus 1).

A double-byte character contains two bytes with a total of 16 bits.

Generally speaking, it is easy to understand that English letters belong to single-byte characters, while Chinese characters belong to double-byte characters. Because English letters, numbers, symbols, etc., can be represented by 128 different values, while too many Chinese characters cannot, it needs to be extended to double bytes.

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