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一段汇编程序: ADR r4, b LDR r1, [r4] AND r1, r1,#15 假设b=0xa, 则执行完这段代码后,r1=
参考答案和解析
0xA 或者 0XA 或者 0xa 或者 0Xa 或者 10
更多 “一段汇编程序: ADR r4, b LDR r1, [r4] AND r1, r1,#15 假设b=0xa, 则执行完这段代码后,r1=” 相关考题
考题
在电阻应变仪的全桥电路中,R1、R2、R3、和R4按顺时针排列,当()时,即可起到温度补偿的作用。
A、R1和R2为测量工作应变片,R3和R4为温度补偿应变片B、R1和R3为测量工作应变片,R2和R4为温度补偿应变片C、R1和R4为测量工作应变片,R2和R3为温度补偿应变片D、R2和R3为测量工作应变片,R1和R4为温度补偿应变片
考题
ARM处理器将R0中一个字的数据,存入由R1指示的内存区域,则使用的指令是()。A.STR R0,[R1]B.LDR R0,[R1]C.STRH R0,[R1]D.STRB R0,[R1]
考题
Refer to the exhibit. When you examine the routing table of R1 and R4, you are not able to see the R1 Ethernet subnet on the R4 routing ta ble. You are also not able to see the R4 Ethernet subnet on the R1 routing table.Which configuration change should be made to resolve this issue? Select the routers where the configuration change will be required, and select the required EIGRP configur ation command(s).()A. R1 and R4B. R2 and R3C. ip summary-address eigrp 1 10.1.1.0 255.255.255.0 and ip summary - address eigrp 110.2.2.0 255.255.255.0D. variance 2E. eigrp stub connectedF. no auto - summary
考题
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考题
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考题
ARM处理器在大端模式下从0x60000000到0x60000003存储一个字数据0x32303134,R2=0x60000000,以下说法正确的是()A、0x60000000中存储的数据是0x32B、执行LDRH R1,[R2]后R1=0x3134C、执行LDRB R1,[R2]后R1=0x3230D、执行LDR R1,[R2]后R1=0x34313032
考题
阅读下列程序,回答问题:
LDR R0, 0x22
LDR R1, 0x11
SUB R0, R0, R1
CMP R0, R1
执行这段程序后,R0的值为()A、 0x22B、 0x33C、 0x11D、 0
考题
程序段N10 R1=30 R2=32 R3=50 R4=20;N20 G00 X=R2*SIN(R1)+R4 Z=R2*COS(R1)+R3;中,只对X坐标值有影响的R参数是()(SIEMENS系统)。A、R1B、R2C、R3D、R4
考题
下列表达式中()首先进行的运算是COS()(SIEMENS系统)。A、R1=R6-R3*COS(R4)/R2B、R1=R6*(R2+R3*COS(R4+R5))C、R1=R6/R2-R3*COS(R4)D、R1=R2+R3*COS(R4*R5))E、R1=COS(R4)*R6/R2-R3
考题
ARM处理器将R0中一个字的数据,存入由R1指示的内存区域,则使用的指令是()。A、STR R0,[R1]B、LDR R0,[R1]C、STRH R0,[R1]D、STRB R0,[R1]
考题
阅读下列程序,回答问题:
LDR R0, 0x22
LDR R1, 0x11
SUB R0, R0, R1
CMP R0, R1
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考题
单选题阅读下列程序,回答问题:
LDR R0, 0x22
LDR R1, 0x11
SUB R0, R0, R1
CMP R0, R1
执行这段程序后,R0的值为()A
0x22B
0x33C
0x11D
0
考题
单选题阅读下列程序,回答问题:
LDR R0, 0x22
LDR R1, 0x11
SUB R0, R0, R1
CMP R0, R1
执行上述程序后,CPSR的下列哪个标志位将发生变化()A
CB
VC
ZD
以上都不对
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