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【多选题】
下列对通道的描述中,正确的是A.
通道具有自己的指令系统
B.
1个通道可以管理多个I/O控制器
C.
1个I/O控制器可以链接多个不同种类的I/O设备
D.
通道指令存储在计算机主存中
E.
通道可以与处理机、I/O设备并行工作
F.
通道具有虚拟性
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】It's a pity that he didn't come earlier．
【简答题】It's a pity that she didn't attend that important meeting. It's a pity that she ______ that important meeting.
【简答题】It's a pity that she didn't attend that important meeting. It's a pity that she____________that important meeting.
【单选题】It's a pity that you ______ leave so soon. It's been so nice having you here.
A.
should
B.
could
C.
can
D.
might
【单选题】It's a pity that you ______ leave so soon. It's been so nice having you here.
A.
can
B.
could
C.
should
D.
might
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