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Audio commentary

Hello, everyone. The meeting will answer your questions. Computer word length refers to how many digits, computer word length refers to what this many people do not know, now let's take a look at it!

Answer:

1. Word length refers to the number of bits of binary numbers that are processed at the same time; CPU that usually handles 8-bit data is called 8-bit CPU,32-bit CPU and processes 32-bit binary data at the same time. Each 0 or 1 of the binary is the smallest unit of the binary, called a bit. Generally speaking, a set of binary numbers processed by a computer at the same time are called computer words.

2. Concept of word length:

3, numbers, characters, instructions and other control information is expressed by computer binary coding; when the computer stores, transmits or operates, a set of binary codes is called a word, and the number of binary digits of a word is called word length; usually the CPU that deals with 8-bit data is called 8-bit CPU,32-bit CPU while dealing with 32-bit binary data. Each 0 or 1 of the binary is the smallest unit of the binary, called bits; commonly used characters are 8, 16, 32, and 64 bits. An 8-bit code, called a byte, is the basic coding unit in a computer. Word length has a lot to do with the function and use of the computer, and it is an important technical index of the computer. The word length directly reflects the calculation accuracy of a computer. In order to meet different requirements and coordinate the relationship between operation accuracy and hardware cost, most computers support variable word length operation, that is, half word length, full word length (or single word length) and double word length operations can be realized in computers. When other indexes are the same, the larger the word length, the faster the computer can process the data. The word length of early microcomputers was generally 8-bit and 16-bit, and most processors of 386 and above were 32-bit. Most computers on the market have 64-bit processors; the word length is determined by the number of data buses in the external data path of the microprocessor.

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