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Computer Basics: What Is a Computer?
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YouTubeLearnFree
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Computers are all around us, and they play an important role in our lives. But what exactly is a computer? We're going to answer that question and give you an overview of some of the different types of computers you might use. 0:00 Intro 0:22 Ones and zeros 0:39 Hardware and software 1:03 Desktops and laptops 1:18 Operating systems 1:48 Other ...
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购买 computer security programs

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