寄存器寻址的操作数包含在（）中。
A.CPU的内部寄存器
B.内部存贮器
C.指令
D.外部存贮器
参考答案：A
As a grassroots singer, she reads everything she can concerning music, and takes every opportunity to improve herself.
A．catch sight of
B．get hold of
C．take charge of
D．make mention of
采用不间断电源UPS可以防止突然断电引起设备损坏和（）
A.重启动失效
B.显示器蓝屏
C.软件故障
D.数据丢失
