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This article mainly introduces what the bus refers to, has a certain reference value, friends who need can refer to it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

A bus is a common communication trunk that transmits information between various functional components of a computer, and it is a transmission harness composed of wires. There are three kinds of buses in microcomputers: data bus, address bus and control bus, which are used to transmit data, data address and control signals respectively.

Bus (Bus) is a common communication trunk that transmits information between various functional components of a computer. It is a transmission harness composed of wires.

Bus is a kind of internal structure, which is a common channel for cpu, memory, input and output devices to transmit information. each part of the host computer is connected by the bus, and the external equipment is connected with the bus through the corresponding interface circuit, thus forming the computer hardware system. In a computer system, the common path through which information is transmitted between various components is called a bus, and a microcomputer connects each functional component with a bus structure.

Bus types in microcomputers:

The computer bus can be divided into data bus, address bus and control bus, which are used to transmit data, data address and control signals respectively.

Data bus (Data Bus): transfers data that needs to be processed or stored back and forth between CPU and RAM.

Address bus (Address Bus): used to specify the address of data stored in RAM (Random Access Memory).

Control bus (Control Bus): transmits the signal of the microprocessor control unit (Control Unit) to the peripheral device.

Data bus DB (Data Bus), address bus AB (Address Bus) and control bus CB (Control Bus) are also collectively referred to as system buses.

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