问题
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已知(AL)=35H,(BL)=57H,执行指令 ADDAL,BL DAA 后,AL的值为()。A、92HB、8CHC、92D、5CH
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能够将 BL 的低四位清“ 0”的指令()A AND BL,0F0HB OR BL,00HC OR BL,0F0HD AND BL,00H
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设 (AL=04H,(BL=0F8H,执行 MUL BL指令后,结果()A (AX=03E0HB (AX=0FEE0HC (AX=0032HD (AX=00
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设 (AL=63H (BL=29H 执行下面指令后 SUB AL,BL DAS AX的内容()A (AX=0304HB (AX=0034C (AX=0
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设AL=04H,BL=0F8H,执行IMUL BL指令后,结果是()A.AX=0032HB.AX=00E0HC.AX=03E0HD.AX=0FFE0H
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设AL=57H,BL=24H,执行指令SUB AL,BL后,寄存器内容为()A AL=57H,BL=24HB AL=33H,BL=24HC AL=5