对于下面的数据定义,各条 MOV 指令单独执行后,请填充有关寄存器的内容: TABLE1 DB ? TABLE2 DW 20 DUP(?) TABLE3 DB ‘ABCD’ ...... MOV AX, TYPE TABLE1; (AX)=___ MOV BX, TYPE TABLE2; (BX)=___ MOV CX, LENGTH TABLE2; (CX)=_____ MOV DX, SIZE TABLE2 ; (DX)=_____ MOV SI, LENGTH TABLE3; (SI)=_______