- The principal elements controlling the interpretation and execution of instructions. Generally they include the arithmetic logicunit (ALU), timing and control, accumulator, a scratchpad memory, program counter and address stack, instruction register, etc.; 控制指令翻譯和執(zhí)行的主?考?。通常包括詰Z閆鰲⒍ㄊ焙涂刂破鰲⒗奐悠鰲⒅屑浣峁媧?器、程序計數(shù)器和地址堆棧、指令寄存器等。
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