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系统总线

Authored by 佳琳 刘

Computers

University

系统总线
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列不属于集中控制优先权仲裁方式的为

计时器定时查询

同步查询

独立请求方式

链式查询

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

假设某系统总线在一个总线周期中并行传输8字节信息,一个总线周期占用4个时钟周期,总线时钟频率为10MHz,则总线带宽是

40MB/s

30MB/s

10MB/s

20MB/s

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在各种异步通信方式中,( )速度最快

不互锁

都一样

全互锁

半互锁

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

总线复用方式可以

减少总线中信号线的数量

提高总线的传输带宽

实现并行传输

增加总线的功能

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在同步通信中,一个总线周期的传输过程是

只传输地址

先传输数据,再传输地址

先传输地址,再传输数据

只传输数据

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