分支提示至少是分支指令之前的4个指令取出组，否则就没有效果。
At minimum, the branch hint must be four instruction fetch groups before the branch instruction, or it will have no effect.
在第二章中，读者知道了在每个机器周期内处理器取出并执行一条指令。
In Chapter 2, we learned that the processor fetches and executes a single instruction during each machine cycle.
执行过程中的一个阶段所需的时间，在此期间，计算机从主存储器中取出指令或操作数，并将其存入控制器或运算器的寄存器中。
The part of execution in which an operand or instruction is read from main storage and written into a control unit or arithmetic unit register.
一个处理器上电或重启后第一个指令能被从之取出来的地址。
The address from which the first instruction will be fetched after the processor is powered on or reset.
控制部件从存储器中取出指令，并确定其类型或对之进行译码，然后将每条指令分解成一系列简单的、很小的步骤或动作。
The control unit fetches instructions from memory and determines their type or decodes them. It then breaks each instruction into a series of simple small steps or actions.
控制部件从存储器中取出指令，并确定其类型或对之进行译码，然后将每条指令分解成一系列简单的、很小的步骤或动作。
The control unit fetches instructions from memory and determines their type or decodes them. It then breaks each instruction into a series of simple small steps or actions.
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