A.全部清0 B.全部被置成FFFFH C.IP=FFFFH,四個(gè)段寄存器清0 D.CS=FFFFH,其它的寄存器被清0
A.1 B.2 C.3 D.4
A.0,0 B.0,1 C.1,0 D.1,1