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This article is to share with you about the main components of the computer hardware system. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The hardware system of the computer mainly includes five parts: arithmetic unit, controller, memory, input device and output device. The controller and the arithmetic unit together constitute the central processing unit CPU. The controller can be regarded as the brain and command center of the computer, which allows all components of the computer to complete the instructions in an orderly manner.

Computer hardware is an important part of computer, which contains five important components: arithmetic unit, controller, memory, input device and output device.

1. Arithmetic unit.

The main function of the arithmetic unit in computer hardware is to operate and process data and information. The arithmetic unit includes the following parts: general register, state register, accumulator and key arithmetic logic unit. The arithmetic unit can perform arithmetic calculations (addition, subtraction, multiplication and division) and logical operations (and or not).

2. Controller.

The controller and the arithmetic unit together constitute the central processing unit (CPU). The controller can be regarded as the brain and command center of the computer. By integrating and analyzing the relevant data and information, the controller can make the various components of the computer complete the instructions in an orderly manner.

3. Memory.

As the name implies, memory is the memory system of the computer and the notepad in the computer system. Unlike notepad, memory can not only store information, but also accept different information in the computer system and read the saved information. Memory consists of main memory and auxiliary memory, which is commonly known as memory, which is divided into two parts: RAM and ROM. Auxiliary storage is external storage, but when the computer deals with the information of external storage, it must first go through the exchange of information between internal and external memory.

4. Input equipment.

Input devices and output devices are the key equipment for human-computer interaction. The emergence of input devices such as mouse and keyboard has brought earth-shaking changes to the computer. There are two main types of mice: optical mouse and mechanical mouse. Through the mouse, we can easily locate the coordinates on the computer screen, can well operate graphics and software processing, and provide the greatest convenience for human beings. Keyboard is also a very important input device, most of the computer instructions are input through the keyboard.

5. Output device.

The output device is also the key equipment of computer human-computer interaction, and its characteristic is that it can show the information of the computer in the form of picture, which is very intuitive. Common output devices include monitors, printers, voice and video output devices, and so on.

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