What is the CPU cpu of the computer?

Today, I would like to talk to you about the CPU cpu of the computer, which many people may not know very well. in order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article.

The cpu of the computer consists of an arithmetic unit and a controller. The main function of the arithmetic unit is to perform arithmetic and logic operations. The controller is composed of a program counter, an instruction register, an instruction decoder, a timing generator and an operation controller. It is a "decision-making body" that issues commands.

Central processing unit (CPU,central processing unit), as the core of operation and control of computer system, is the final execution unit of information processing and program running. Since it came into being, CPU has made great progress in logic structure, operation efficiency and function extension.

The CPU cpu of the computer includes:

The CPU CPU is composed of an arithmetic unit and a controller.

Functions of the arithmetic unit:

The main function of the arithmetic unit is to perform arithmetic operation and logic operation. The arithmetic unit includes arithmetic logic unit (ALU), accumulator, state register and general register. The arithmetic logic operation unit is responsible for four operations, and, OR, non, XOR and other logical operations.

The data processed by the arithmetic unit comes from the memory; the processed result data is usually sent back to the memory or temporarily stored in the arithmetic unit. Together with Control Unit, it forms the core part of CPU.

Functions of the controller:

The controller consists of a program counter, an instruction register, an instruction decoder, a timing generator and an operation controller. It is a "decision-making body" that issues commands, that is, to coordinate and direct the operation of the whole computer system.

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