1.2 Processor Registers (1/4) What is registers Memory inside CPu . why Registers Enable CPu to minimize main-memory references Can be classified into User-visib| e registers(用户可见寄存器) Control and status registers(控制和状态寄存器)1.2 Processor Registers(1/4) • What is Registers • Memory inside CPU • Why Registers • Enable CPU to minimize main-memory references • Can be classified into: • User-visible registers(用户可见寄存器) • Control and status registers(控制和状态寄存器) 8