题目内容

System softwareincludesthe (1) system and system (2).Operating systems are (3) that manage the system resources and enable you torun (4)programs.System utilities are special programs that (5) the usefulness ofor addcapabilities to a computer.Operating system can be found on most (6). It is a collection of program (7) that controls and manages the system’s hardware as well as (8) resources,thus enabling you to run application programs.Since the operating system servesas an (9) bridgingthegap between hardware and application software,it makes your machine easier to use and ensuresbetter performance of your (10) system as well.

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A. 对
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A. 对
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( )不属于信息素养的三个层面。

A. 知识层面
B. 情商层面
C. 技术层面
D. 意识层面

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