[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fn51EtL8832GQSneoSDeldvFncZGwhq_UZpM-OTzx3Ig":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":30},[],"2023-05-17 11:32:55",14293129,[8,9,10,11],"它们都是按位操作的","指令XOR AX,AX执行后,结果不变,但是影响标志位","指令AND AL,0FH执行后,使AL的高4位清零,低4位不变","若DL=09H, CH=30H, 执行OR DL,CH后, 结果为DL=39H",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},4,"7dc911cead787465a6d8bb1601a9de2d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe118e89e1307d7241a618bec2b9c8261.png","微机原理与接口技术","372fc170da874ea08693add295201344","逻辑运算指令","AND、OR、XOR、NOT为四条逻辑运算指令,下面( ) 解释有误",[21,31,40,43],{"answer":22,"createTime":5,"id":23,"options":24,"question":28,"source":29,"type":30},[],14293127,[25,26,27],"NOT BX","XOR BX, 0FFFFH","AND BX, 0FFFFH","将寄存器BX的内容求反,不正确的操作是( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],14293128,[35,36,37,38],"NEG BX","NOT BXINC BX","XOR BX, 0FFFFHINC BX","MOV AX, 0SUB AX, BX","对寄存器BX内容求补运算,下面错误的指令是( )",{"answer":41,"createTime":5,"id":6,"options":42,"question":19,"source":29,"type":30},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],14293130,[47,48,49,50],"SUB AX,AX","CLC","NEG AX","XOR AX,AX","使状态标志位CF清零的不正确指令是( )"]