【简答题】Today anyone will accept money in exchange for goods and services.People use money to buy food, furniture,books,bicycles and hundreds of other things they need or want. When they work, they usually ge...
【简答题】下列程序段,完成内部RAM的BUF区LEN个字节数据和的计算,和的低8位放在累加器 A中,高8位放在寄存器B中,请将程序填充完整。 MOV R0,#BUF MOV R7,#LEN MOV R6,#0 ;和低8位 MOV B,#0 ;和高8位 LOOP: MOV A,R6 ADD A,@R0 MOV R6,A MOV A,B ADDC A,#0 MO...
【简答题】Today anyone will accept money in exchange for goods and services. People use money to buy food, furniture, books, bicycles and hundreds of other things we need or want. When they work, they usually g...
【单选题】初孕妇,25岁,孕39周,见红20h,阵发性腹痛4h入院。入院时宫口开大1cm,入院后第4h、8h、12h、16h检查宫口开大分别为3cm、5cm、7cm、10cm,宫口开全后1h胎儿娩出,10min后胎盘娩出。该产妇可能的诊断为
【单选题】初产妇,27岁,孕3 9+6周临产。入院检查:宫缩规律,(30~40)秒/(4~5)分钟,胎心140次/分,枕左前位。坐骨结节间径为7.5cm,骶岬平坦,坐骨棘突出。宫口开大lcm,先露S=-5。B超估算胎儿体重3800g。该产妇可能的诊断为
【简答题】下列程序段,完成内部RAM的BUF区LEN个字节数据和的计算,和的低8位放在累加器 A中,高8位放在寄存器B中,请将程序填充完整。 MOV R0,#BUF MOV R7,#LEN MOV R6,#0 ;和低8位 MOV B,#0 ;和高8位 LOOP: MOV A,R6 ( ) MOV R6,A MOV A,B ADDC...
【判断题】交流发电机的励磁方法为:先他励,后自励。
【单选题】设( A ) =01010110B ( 56 的 BCD 码),( R3 ) =01100111B ( 67 的 BCD 码),( CY ) =1 。 执行指令: ADDC A,R3 ; DA A ; 结果是?
【单选题】设(A)=53H,(R0)=0FCH, CY=0,执行指令ADDC A,R0;结果( )
A.
( A ) =4FH , CY=1 , AC=0 , OV=0 , P=1
B.
( A ) =4FH , CY=0 , AC=0 , OV=0 , P=1
C.
( A ) =34H , CY=1 , AC=0 , OV=0 , P=1
D.
( A ) =4FH , CY=1 , AC=0 , OV=1 , P=1