The world of microprocessors and cpus can be divided into two parts : complex instruction set computers using cisc processors and reduced instruction set computers with risc processors 微处理器的世界分为两部分:使用cisc (复杂指令集计算机)芯片的复杂指令集计算机,以及使用risc (精简指令集计算机)芯片的精简指令集计算机。