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试题内容
Modern computers based on ( ) are millions to billions of times more capable than the early computers, which occupy a fraction of the space. Simple computers are small enough to fit into mobile devices, an mobile computers can be powered by small batteries. Personal computers in their various forms are icons of the Information Age and are what most people think of as ‘computers’.
  • A.Central Processing Unit
  • B.integrated circuits
  • C.Hard disk
  • D.software integration
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  • 参考答案:B
  • 解题思路:与早期计算机相比,基于( )的现代计算机能力翻了上亿倍,体积缩小了很多。普通计算机可以小到放入移动设备,移动计算机可以由很小的电池供电。个人计算机是信息时代的象征,也是大多数人口中的“计算机”。
    A、中央处理器
    B、集成电路
    C、硬盘
    D、软件集成