A mode of operating a computer in which a single computer instruction or part of a computer instruction is executed in response to an external signal.
操作计算机的一种方式，按照这种方式，响应一个外部信号只执行一条计算机指令，或执行一条计算机指令的一部分。
Instruction system is an important performance guideline of CPU, grasping instruction system is the base of learning single chip computer and using single chip computer to develop and design.
指令系统是CPU的重要性能指标，掌握指令系统是学习单片机及进行单片机开发设计的基础。
Instruction system is an important performance guideline of CPU, grasping instruction system is the base of learning single chip computer and using single chip computer to develop and design.
指令系统是CPU的重要性能指标，掌握指令系统是学习单片机及进行单片机开发设计的基础。
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