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This article mainly explains "what is the composition of cpu". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the composition of cpu"?

The composition of cpu: 1, register, used to temporarily store instruction data and other processing objects; 2, controller, read instructions and data on memory into register; 3, arithmetic unit, responsible for calculating data read into register from memory; 4, clock, responsible for sending out clock signal from CPU to start timing.

This article operating environment: Windows7 system, Dell G3 computer.

The composition of cpu

Concept: in the constituent components of a computer, the device that performs data operations according to the instructions of the program and controls the whole computer is called CPU.

The interior of CPU consists of four parts: register, controller, arithmetic unit and clock, and each part is connected by current signals.

Registers can be used to temporarily store instruction data and other processing objects, which can be regarded as a kind of memory. There are 20,100 registers inside a CPU.

The controller is responsible for reading the instructions and data in the memory into the register and controlling the whole computer according to the execution result of the instruction.

The arithmetic unit is responsible for calculating the data read into the register from memory.

The clock is responsible for sending out the clock signal that the CPU starts timing. There are also some computers whose clocks are located outside the CPU.

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