| unit 1 history of computer unit 2 the computer’s components unit 3 operating system unit 4 database system unit 5 programming language unit 6 network and internet unit 7 information security unit 8 multimedia and computer games unit 9 e．business unit 10 future of computer appendix a：specialist english and translation skills appendix b：screen prompt message appendix c：index of basic vocabulary appendix d：concise explanation of common abbr- |
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