[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fELpU6Ke4rYHIwTvaPEeqLMxio1og9r4xnh7K9495NWo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":49},[],"2023-06-10 20:47:24",57387860,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},9,"9d256d9d169e02b088c546964fbb47d8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","微机原理","work_26931954","213 微机 第2次作业(第7周)","若AL=10011000B,BL=01100111B,则执行指令"ADD AL,BL"后,AL=____;执行指令"AND AL,BL"后,AL=____",[17,28,37,46,50,55,60,65,70],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],57387857,[21,22,23,24],"1","2","3","4","下列指令中,能完成将AL寄存器清零的有( )条.CMP AL,AL; SUB AL,AL; XOR AL,AL; MOV AL,0","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],57387858,[32,33,34,35],"SUB AX,AX","XOR AX,AX","MOV AX,00H","AND AX,00H","完成将AX清零,并使标志位CF清零,下面错误的指令是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],57387859,[41,42,43,44],"ABDEH","FFFFH","0001H","0000H","设AX=0ABDFH,则在执行指令"AND AX,0001H"后,AX寄存器的内容为( )",{"answer":47,"createTime":5,"id":6,"options":48,"question":15,"source":26,"type":49},[],[],2,{"answer":51,"createTime":5,"id":52,"options":53,"question":54,"source":26,"type":49},[],57387861,[],"转移指令的寻址主要为CPU提供____",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":26,"type":49},[],57387862,[],"用两条指令实现:将AL和BL两个带符号数进行大小比较____,若AL大于BL则转到标号L1处去执行 ____",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":26,"type":49},[],57387863,[],"设(BX)=11001011B,变量VAR的内容为00110010B,求下列指令单独执行后BX的内容: (1) XOR BX,VAR; BX=____ (2) AND BX,VAR; BX=____ (3) OR BX,VAR; BX=____ (4) TEST BX,1; BX=____",{"answer":66,"createTime":5,"id":67,"options":68,"question":69,"source":26,"type":49},[],57387864,[],"写出完成下述功能的程序段(用所学过的指令实现):(1)传送40H到AL寄存器; ____ (2)将AL的内容乘以2; ____ (3)传送16H到AH寄存器; ____(4)AL的内容加上AH的内容.____(5)计算最后结果(AL)=",{"answer":71,"createTime":5,"id":72,"options":73,"question":74,"source":26,"type":49},[],57387865,[],"按下列要求写出指令: (1)将AX寄存器的低4位清零,其余位不变; ____(2)将BX寄存器的低4位置1,其余位不变; ____ (3)将AL寄存器的低4位保持不变,高4位取反; ____ (4)将AX中的各位取反; ____(5)将DX中的低7位取反,高9位不变. ____"]