题目内容

Pentium微处理器执行突发式存储器读总线周期时,Cache(Cache Enable)和W/R信号的状态应该是______。

A. 1,1
B. 1,0
C. 0,1
D. 0,0

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与IA-32相比,Inte164架构的微处理器为了能够兼容32位和64位两种工作模式,对芯片内部的寄存器进行了相应的扩展。下面相关叙述中错误的是______。

A. 通用寄存器组从32位扩展为64位,并且增加了8个64位通用寄存器
B. 增加了8个128位SSE寄存器XMM8~XMM15
C. 指令指针和标志寄存器从32位扩展为64位
D. 段寄存器从16位扩展为64位

以太局域网中需要传输的数据必须预先组织成若干帧,每一数据帧的格式如下所示:
其中“?”表示的是______。

A. 填充信息
B. IP地址
C. 协议信息
D. 有效载荷

What is Peter Jackson writing this letter for?

A. He wants to thank this company.
B. He wants to get a job.
C. He is angry with the company.

Why does Peter want to be a driver?

A. Because he has nothing to do.
Because he has dreamed to be a driver since he was very young.
C. Because his father told him to do so.

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