singUnit中央处理器РTrigger触发器РMemory存储器РCounter计数器РSynchronouscounter同步计数器РProgramcounter程序计数器РALU:arithmeticlogicalunit算术逻辑单元РRegister寄存器РShiftingregister移位寄存器РTravelingwavecounter行波计数器РRingcounter环形计数器РAccumulator累加器РROM:ReadOnlyMemory只读存储器РBit位РWord单字РMAR:MemoryAddressRegister存储地址寄存器РBuffer缓冲器РMainmemory主存储器РMemorycycle存取周期РRAM:essMemory随机存取存储器РByte字节РDoubleword双字РMDR:MemoryDataRegister存储数据寄存器РCache高速缓冲存储器РExternalmemory辅助存储器РAccesstime存取时间РDRAM:DynamisticRAM动态RAMРPROM:ProgrammableROM可编程ROMРEEPROM:ElectricallyErasableProgrammableROM电子可檫除可编程ROMРBIU:businterfaceunit总线接口部件РCS:codesegmentregister代码段寄存器РSS:StackSegmentRegister堆栈段寄存器РIP:InstructionPointer指令指针寄存器РBP:BasePointRegister基址指针寄存器РSI:SourceIndexRegister源变址寄存器РCX:CountRegister计数寄存器РDS:DatasegmentRegister数据段寄存器РES:ExtraSegmentRegister附加段寄存器