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The five major components of a computer hardware system are the arithmetic unit, controller, memory, input device and output device. The controller is the control center of the whole computer system, which commands the coordinated work of all parts of the computer to ensure that the computer operates and processes in an orderly manner in accordance with predetermined goals and steps.

The five major components of a computer hardware system are the arithmetic unit, controller, memory, input device and output device.

Related Introduction:

operator

Arithmetic unit consists of arithmetic logic unit (ALU), accumulator, status register, general register group, etc.

The basic functions of arithmetic logic unit (ALU) are addition, subtraction, multiplication, division, AND, OR, NOT, XOR, shift, complement, etc.

controller

The controller (Control Unit) is the control center of the entire computer system, which commands the coordinated work of all parts of the computer to ensure that the computer operates and processes in an orderly manner in accordance with predetermined goals and steps.

The controller takes out instructions from the memory one by one, analyzes what operation each instruction specifies and the storage location of the required data, and then sends out control signals to other parts of the computer according to the analysis results to command the whole computer to complete the operation specified by the instruction.

central processor

Central Processing Unit (CPU), composed of arithmetic unit and controller, is the essential core component in any computer system. CPU is composed of arithmetic unit and controller, which are realized by arithmetic circuit and control circuit respectively.

memory

Memory is a memory device in a computer system that stores programs and data.

All information in the computer, including input raw data, computer programs, intermediate results and final results, is stored in memory. It stores and retrieves information according to the location specified by the controller. With memory, the computer has a memory function to ensure normal operation.

input device

A device that inputs data and information to a computer. A bridge between computers and users or other devices. Input devices are one of the primary means of exchanging information between users and computer systems.

output device

An output device is a terminal device of a computer, used to receive output display, printing, sound of computer data, control operation of peripheral devices, etc. It also expresses various calculation result data or information in the form of numbers, characters, images, sounds, etc.

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