[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f29FrrmEnGl6yOzdY9l5yBu17vDtb7tPfA5OH7Ju8bYc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":62},[],"2025-12-03 20:21:12",249266744,[8,9,10,11],"XOR AX,AX","CMP AX,AX","AND AX,0","SUB AX,AX",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47722499","第3章作业3.xls","将累加器AX的内容清零的正确指令是( )",[21,32,41,50,59,63,69,74,79,84],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],249266740,[25,26,27,28],"0,0","0,1","1,1","1,0","当执行完下列指令序列后,标志位CF和SF的值为 . MOV AL,0B9H ADD AL,24H","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],249266741,[36,37,38,39],"SF =1","ZF =1","CF =1","OF =1","设(AL)= - 68,(BL)= 86,执行SUB AL,BL 指令后,正确的结果是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],249266742,[45,46,47,48],"OF","CF","ZF","PF","INC指令执行后,不变化的标志位是:_____",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],249266743,[54,55,56,57],"TEST AL,BL","AND AL,BL","INC AL","ADD AL,B","下列指令执行后,AL中内容不变的是",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":62},[],[8,9,10,11],1,{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":30,"type":68},[],249266745,[],"执行下列程序段,指出各相关寄存器的内容.(答案以16进制给出,加后缀H,否则判错) MOV AX,0A0BH ;(1)(AX)= DEC AX ;(2)(AX)= SUB AX,0FFH ;(3)(AX)= AND AX,00FFH ;(4)(AX)= MOV CL,3 ;(5)(CL)= SAL AL,CL ;(6)(AX)= ADD AL,25H ;(7)(AX)= XCHG AL,AH ;(8)(AX)= PUSH AX ;(9)(AX)= POP BX ;(10)(BX)= INC BL ;(11)(BX)=",2,{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":30,"type":68},[],249266746,[],"已知(AL)=0101 1101B,执行指令NEG AL后,再执行CBW后,(AX)=______",{"answer":75,"createTime":5,"id":76,"options":77,"question":78,"source":30,"type":68},[],249266747,[],"若AX=0ABCDH,BX=7F8FH,CF=1. 求分别执行下列指令后,AX寄存器中的内容,并指出标志寄存器SF,ZF,AF,PF,CF及OF的状态. (注意:AX的内容以16进制填写,加后缀H; SF,ZF,AF,PF,CF及OF六个标志位的状态按顺序写成六位二进制数的形式,状态不定写为X,如:SZAPCO=XX1000B) ⑴ ADD AX,BX ;(AX)= (1) ,SZAPCO= ( 2 ) B ⑵ ADC AX,BX ;(AX)= (3) ,SZAPCO= ( 4 ) B ⑶ SBB AX,BX ;(AX)= (5) ,SZAPCO= ( 6 ) B ⑷ NEG AX ;(AX)= (7) ,SZAPCO= ( 8 ) B ⑸ AND AX,BX ;(AX)= (9) ,SZAPCO= ( 10 ) B ⑹ OR AX,BX ;(AX)= (11) ,SZAPCO= ( 12 ) B ⑺ XOR AX, BX ;(AX)= (13) ,SZAPCO= ( 14 ) B ⑻ IMUL BL ;(AX)= (15) ,SZAPCO= ( 16 ) B",{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":30,"type":68},[],249266748,[],"根据功能,将汇编指令补充完整: (1) AL,80H; 将AL寄存器的最高位设置为1,其它位不变; (2) AL; 将AL寄存器的所有位取反; (3) AL,80H; 将AL寄存器的最高位取反,其它位不变; (4) AL,80H; 将AL寄存器的最高位保持不变,其它位清零; (5) AL,80H; 测试AL寄存器的最高位是否为1,不回送结果, 但影响标志位",{"answer":85,"createTime":5,"id":86,"options":87,"question":90,"source":30,"type":91},[],249266749,[88,89],"正确","错误","指令"INC ECX"和"ADD ECX,1"的实现功能完全一样,可以互相替换",3]