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The word length of a computer depends on the width of what bus?

青灯夜游
青灯夜游Original
2020-10-30 15:35:5335410browse

The word length of the computer depends on the width of the "data bus". The computer word length refers to the number of binary digits used for operations, which ranges from 8, 16, 32, and 64 bits, mainly depending on the width of the data bus. The width of the data bus is an important indicator that determines computer performance. Most computer data buses are 32-bit or 64-bit.

The word length of a computer depends on the width of what bus?

The computer word length refers to the number of binary digits used for operations, which can be 8, 16, 32, or 64 bits, mainly depending on the data bus The width; for example, the Pentium is 32-bit, which means that the processor's registers can store 32-bit data.

Bus (Bus) refers to a standardized way of exchanging data (data) between computer components, that is, it provides data transmission and control logic for each component in a common way.

From another perspective, if the Mother Board is a city, then the bus is like a bus in the city, which can transmit data back and forth according to fixed driving routes. Bit. These lines can only transmit one bit at a time.

Therefore, multiple lines must be used at the same time to send more data, and the number of data that the bus can transmit simultaneously is called width (width), in bits. The larger the bus width, the better the transmission performance. good. The bandwidth of the bus (that is, the total number of data that can be transmitted per unit time) is: bus bandwidth = frequency × width (Bytes/sec).

Data Bus (DataBus) standardizes the implementation method of data sharing and exchange in homogeneous systems and heterogeneous systems in a large integrated application system, and the standard for data exchange between systems. It can be used to transfer information between microprocessor and memory, microprocessor and input and output interface. The width of the data bus is an important indicator that determines computer performance. The data bus of microcomputer is mostly 32-bit or 64-bit.

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