[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjkJdGDIZ8mvxZlrKfpHHdXLGLcyAs4Z9O4FS4vSE0xg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":39},[],"2023-06-20 17:32:18",74401991,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},10,"39569bfd3ef1d63a953d66429f973906","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F37a96c1ca03e0fd0e21307439059ac19.png","微机原理与接口技术","work_27342561","第4章作业","若接口 03F8H 的第 1 位(b1)和第 3 位(b3)同时为 1,表示接口 03FBH 有准备好的 8 位数据,当 CPU 将数据取走后,b1 和 b3 就不再同时为 1 了.仅当又有数据准备好 时才再同时为 1.试编写程序,从上述接口读入 200 字节的数据,并顺序放在 DATA 开始的地址中",[17,24,29,34,40,45,50,55,60,65],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],74401982,[],"将汇编语言源程序转换为机器代码的过程叫作( ),而要使其能够在计算机上 运行还需要通过( )以生成可执行文件","v1",2,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],74401983,[],"执行下列指令后,AX 寄存器中的内容是( ) TABLE DW 10,20,30,40,50 ENTRY DW 3 ┇ MOV BX,OFFSET TABLE ADD BX,ENTRY MOV AX,[BX]",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":23},[],74401984,[],"执行如下指令后,AX=( )H,BX=()H DSEG SEGMENT ORG 100H ARY DW 3,4,5,6 CNT EQU 33 DB 1,2,CNT+5,3 DSEG ENDS … MOV AX,ARY+2 MOV BX,ARY+10",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":22,"type":39},[],74401985,[],"假设程序的数据段定义如下 DSEG SEGMENT DATA1 DB 10H,20H,30H DATA2 DW 10 DUP(?) STRING DB '123' DSEG ENDS 写出各指令语句独立执行后的结果: (1)MOV AL,DATA1 (2)MOV BX,OFFSET DATA2 (3)LEA SI,STRING ADD DI,SI",4,{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":22,"type":39},[],74401986,[],"简述指令性语句与指示性语句的区别",{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":22,"type":39},[],74401987,[],"假设数据段中定义了如下两个变量DATA1和DATA2,画图说明下列语句分配的存储空 间及初始化的数据值. DATA1 DB 'BYTE',12,12H,2 DUP(0,?,3)",{"answer":51,"createTime":5,"id":52,"options":53,"question":54,"source":22,"type":39},[],74401988,[],"阅读下面的程序段,试说明它实现的功能是什么? DATA SEGMENT DATA1 DB 'ABCDEFG' DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA AAAA:MOV AX,DATA MOV DS,AX MOV BX,OFFSET DATA1 MOV CX,7 NEXT:MOV AH,2 MOV AL,[BX] XCHG AL,DL INC BX INT 21H LOOP NEXT MOV AH,4CH INT 21H CODE ENDS END AAAA",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":22,"type":39},[],74401989,[],"试编写求两个无符号双字长数之和的程序.两数分别在 MEM1 和 MEM2 单元中,和放在 SUM 单元",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":22,"type":39},[],74401990,[],"试编写程序,测试 AL 寄存器的第 4 位(bit4)是否为 0",{"answer":66,"createTime":5,"id":6,"options":67,"question":15,"source":22,"type":39},[],[]]