第五章存储器层次结构 ■CPU回顾: cPu Clocking Single Cycle CPU: All stages of an instruction are completed within one long clock cycle The clock cycle is made sufficient long to allow each instruction to complete all stages without interruption and WiThin one cycle 1. Instruction 2. Decode/ 5. Reg Fetch Register 3. Execute 4. Memory Write Read第五章 存储器层次结构 ◼ CPU回顾：