皮皮学，免费搜题
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【判断题】
在操作系统中,设备管理的主要任务是方便用户使用各种输入/输出设备。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Networks use microwave radio to link the computers when ______.
A.
they are close together
B.
they are far away from each other
C.
coaxial cables are used
D.
fiber optical is used
【简答题】比例尺精度是如何定义的?有何作用?
【单选题】A ( ) protocol is used to move a datagram over an individual link.
A.
application-layer
B.
transport-layer
C.
network-layer
D.
link-layer
【简答题】With a link over the Channel, you could buy your fish and chips in England and be able to eat them in France while they were still warm ! ( Passage 3 )
【简答题】I think that salesman is very rude and foolish as he asks us to accept what he offers _____________. 2. OK! I’ll send you our latest catalog and _____________ in two days. 3. _____________ used to mea...
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