【单选题】–Do you know ? –Yes. At about twelve. I was just about to go to bed.
B.
when he will come back
C.
whether he goes to bed late
【简答题】指出下面程序段执行后的结果,要求在每条指令的右侧以注释的形式写出指令的执行结果,最后再填空。 MOV A , #54H MOV 30H , #7CH MOV R0 , #40H SWAP A MOV @R0 , A XCH A , 30H XCHD A , @R0 ( A ) = ,( 30H ) = ,( R0 ) = ,...
【单选题】– When ________ again?--When he ____________, I’ll let you know.
B.
will he come; will come
【单选题】–I hear that a famous scientist will come to give us a talk. Do you know ______? --About the development of the modern science.
C.
what he will talk about
D.
what will he talk about
【简答题】阅读下列程序段,写出每条指令执行后的结果。 MOV A,#H; (A)=( ) ADD A,#4DH; (A)=( ), CY=( ), AC=( ), OV=( )
【简答题】请写出下列每条指令的执行结果 MOV A, #24H; (10分) A= MOV R0, #37H; (10分) R0= ORL A, R0; (10分) A= XRL A, #29H; (20分) A= MOV 35H, #10H ; (10分) 35H= ORL 35H, #29H; (10分...
【简答题】已知( 30H ) =38H ,( 38H ) =40H, ( 40H ) =48H, ( 48H ) =90H, 写出下列每条指令执行后的结果。将结果写在带有括号的寄存器或寄存单元后面。 MOV A,38H; (A)= MOV R0, A; (R0)= MOV 30H,38H (30H)= MOV A, @R0 (A)= MOV 40H, A ...
【单选题】打无占先规则的,40;40后,某队员胜一分如何报分
【简答题】某程序段如下,已知(30H)=38H,(38H)=40H,(40H)=48H,(48H)=90H,写出程序执行后的结果。(注意:程序段中每条指令的执行结果都会影响其后的各条指令) ORG 0000H;该条指令为伪指令,作用:设置本段程序的起始地址为0000H。 MOV A, 40H ;(A)= MOV R0, A ;(R0)= MOV P1, #0F0H ;(P1)= MOV @R0,...
【简答题】写出下列指令执行的结果 MOV A,#20H MOV R0,#20H MOV @R0, A ANL A, #0FH ORL A, #80H XRL A, @R0 A=( );R0=( ) ;(20H)= ( )