【单选题】【消耗次数：1】
下列寄存器中，用于存放当前执行指令的是( )
①
MAR
②
IR
③
MDR
④
PC
参考答案：
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相关题目
【单选题】
程序计数器PC的位数取决于（），指令寄存器IR的位数取决于（）
①
机器字长，存储器的容量
②
存储器的容量，指令字长
③
指令字长，机器字长
④
地址总线宽度，存储器容量
【简答题】
CPU中，保存当前正在执行的指令的寄存器是什么？
【简答题】
用来存放指令地址的寄存器是[填空1]。
随机题目
【单选题】
10. These papers___yet.
①
have not written
②
have not been written
③
has not written
④
has not been written
【单选题】
1. The Peoples Republic of China ___ on October 1, 1949.
①
found
②
was founded
③
is founded
④
was found
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阅读课文II.Which Is Stronger? 判断正误4. According to the Text, the Wind was a nice person who alwyas had a kind word for everyone.
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正确
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阅读课文II.Which Is Stronger? 判断正误5. Is it true a man may lead a horse to the eater but he cannot make him drink?
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误2.The Sun agreed that the Wind could force the traveller to take off his coat.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误3. At the beginning, the Wind thought himself very important and looked down on the Sun.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误1.The central idea of the text is Persuasion is better than force.
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D5963F056F5F264C9F6CCB99F333C412.png title=Unnamed QQ Screenshot20170106131559.png alt=Unnamed QQ Screenshot20170106131559.png/>
①
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②
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③
<img src=https://huaweicloudobs.ahjxjy.cn/6EC3207F8DE863A3CCD6B36E4C4C0440.png title=Unnamed QQ Screenshot20170106131625.png alt=Unnamed QQ Screenshot20170106131625.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D829AEF66B308B96E79C04C2B16EEC9A.png title=Unnamed QQ Screenshot20170106131634.png alt=Unnamed QQ Screenshot20170106131634.png/>
【单选题】
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①
<img src=https://huaweicloudobs.ahjxjy.cn/34818CD139B9C2A89F700C4CB4ED8444.png title=QQ截图20170105215213.png alt=QQ截图20170105215213.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CA00968537D2720B487C7DA5112B6CE6.png title=QQ截图20170105215221.png alt=QQ截图20170105215221.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E5EDFF71C1A83E73D1ECFC332B560AC3.png title=QQ截图20170105215228.png alt=QQ截图20170105215228.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/C4AD6AA9862BB41C2128B5C65D32DA70.png title=QQ截图20170105215235.png alt=QQ截图20170105215235.png/>