中国大学MOOC: 已知(40H)=60H,(41H)=20H,R0=40H,R1=41H,执行如下指令后,41H单元中的内容是()MOV A,@R0; MOV @R1,A;
举一反三
- 已知(40H)=60H,(41H)=20H,R0=40H,R1=41H,执行如下指令后,41H单元中的内容是()MOV A,@R0; MOV @R1,A; A: 60H B: 20H C: 40H D: 41H
- 已知:(40H)=11H,(41H)=22H,R0=40H和R1=41H,试问如下指令执行后累加器A, 40H,41H和42H单元中的内容是什么? MOV A, @R0 MOV @R1, A MOV 42H, @R1 A: A=22H,(40H)=41H,(41H)=11H,(42H)=11H B: A=11H,(40H)=11H,(41H)=11H,(42H)=11H
- 已知(10H)=5AH,(2EH)=1FH, (40H)=2EH,(60H)=3DH<br/>执行下列程序段后:MOV 20H,60H MOV R1,20H MOV A,40H XCH A,R1 XCH A,60H XCH A,@R1 MOV R0,#10H XCHD A,@R0 (A)=______ ,(10H)=______ ,(2EH)=______ ,(40H)=______ ,(60H)=______
- 中国大学MOOC: 执行如下3条指令后,30H单元的内容是()。MOV R1,#30H MOV 40H,#0EH MOV ﹫R1,40H
- 执行如下三条指令后,30H单元的内容是( ) MOV R1,#30H MOV 40H,#0EH MOV @R1,40H