【单选题】【消耗次数:1】
指令寄存器的英文缩写是( )。
RI
IR
UR
B
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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
【单选题】 CPU中跟踪指令后继地址的寄存器是______。
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②  程序计数器
③  指令寄存器
④  通用寄存器
【单选题】 指令的指针寄存器是()。
①  BX
②  IP
③  BP
④  SP
【单选题】 在CPU中跟踪指令后继地址的寄存器是____
①  主存地址寄存器
②  程序计数器
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④  状态寄存器
【单选题】 用于存放现行指令的寄存器称为什么?
①  指令寄存器
②  指令译码器
③  程序计数器
④  程序状态寄存器
【单选题】 指令寄存器的位数取决于______。
①  存储器的容量
②  指令字长
③  机器字长
④  存储字长。
【多选题】 在CPU中跟踪指令后继地址的寄存器不是____。
①  主存地址寄存器
②  程序计数器
③  指令寄存器
④  状态寄存器
【单选题】 在CPU执行指令的过程中,保存指令的寄存器是______。
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②  IR
③  PC
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【单选题】 下面指令执行后,改变AL寄存器内容的指令是?
①  TEST AL,02H
②  OR AL,AL
③  CMP AL,BL
④  AND AL,BL
【单选题】 在CPU中,跟踪指令后继地址的寄存器是______。
①  MAR
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随机题目
【单选题】 The population of the world ______ still _____ now.
①  will; grow
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【单选题】 Tomis______ careful,hardlymakesmistakes.
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①  organization
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【单选题】 You are ____ to have had the help of such a man.
①  thoughtful
②  considerate
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【单选题】 Bread and butter ____ liked by Westerners.
①  is
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③  were
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①  doesn’ t
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①  wouldn’ t you
②  hadn’ t you
③  would you
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【单选题】 Without his timely help, we _____ all these in such a short period of time.
①  dont accomplish
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【单选题】 I am sorry I have no time at present to ____ more detail or give you an account of other cities of interest.
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①  obtain
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