Generally speaking, the service life of the normal use of the CPU is more than 8 years, and the performance of the CPU for a long time is going down, and most of the cpus are eliminated by the performance.
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Central Processing Unit (CPU) is a large scale integrated circuit, is a computer computing Core (Core) and Control Unit (Control Unit). Its main function is to interpret computer instructions and process data in computer software.
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The central processing Unit (CPU) mainly consists of Arithmetic (arithmetic Logic unit, ALU, Arithmetic Logic Unit) and Cache (Cache) and the Data, control, and state Bus (Bus) connecting them. It, together with internal Memory (Memory) and input\/output (I\/O) devices, is called the three core components of electronic computers.