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【判断题】
操作系统作为计算机系统的管理者,主要功能是对系统所有的软硬件资源进行管理。A.
正确
B.
错误
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【简答题】快速以太网的速率是( )Mbps。
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【简答题】TEXT A In the first year or so of Web business , most of the action has revolved around efforts to tap the consumer market.More recently , as the Web proved to be more than a fashion , companies have ...
【简答题】Age has its privileges in America. And one of the more prominent of them is the senior citizen discount. Anyone who has reached a certain age—in some cases as low as 55—is automatically entitled to a ...
【判断题】Many businesses need systems that will integrate information for the various organizational levels and functions.
A.
正确
B.
错误
【简答题】_______ EarthWatch works with many companies to promote good practice._______ Businesses need to change the way they operate in order to help and reduce their effect on the environment. _______ ...
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