
系统总线
Authored by 佳琳 刘
Computers
University

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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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