1.  fetch instruction
2.  instruction fetch

• 1. 取指令: instruction fetch | fetch instruction
• 2. 取指令周期: fetch cycle | instruction fetch cycle
• 3. 抽取指令: extract instruction | extraction instruction

更多释义

• 1.这让处理器可以提前准备分支操作（例如预取指令）。
  This allows the processor to prepare for the branch ahead of time (prefetching the instructions, for instance).
  dict.yoduao.com
• 2.它从存储器中取指令，提供存储器需要的地址和控制信号。
  It fetches instructions from memory, supplying the address and control signals needed by memory to access its data.
  dict.yoduao.com
• 3.每个被映射的页面都有读、写以及取指令(也叫执行)的限制。
  Each mapped page is restricted in the types of operations that may be performed on its contents: read, write, and instruction fetch (also called execute).
  dict.yoduao.com

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