专业外语正文内容专业外语正文容.doc

In this semester, we will deliver a new course, computing essential which is for the computer students. Our course objective is for the followings: At the first, it is to promote our reading competence for science and technology literature of computer. The second is, to grasp number of computer vocabulary and terminology. The third aspect is, to get familiar to the writing skills about abstract of scientific paper. I very expect the successes in your studies, thank you. Chapt.1 Information Technology, the Internet, and You The purpose of this book is to help you become competent with computer technology. Computer competency（计算机能力） refers to（指的是） acquiring computer-related skills—indispensable tools for today. They include how to effectively use popular application packages (应用程序包)and the Internet. In this chapter, we present an overview（综述） of an information system: people, procedures, software, hardware, and data. It is essential to（对…是必不可少的；重要的） understand these basic parts and how connectivity through the Internet and the Web expands the role of information technology in our lives. Later, we will describe these parts of an information system in detail. Fifteen years ago, most people had little to do with(处理；与…有关系) computers, at least directly. Of course, they filled out computerized forms（填写计算机表格）, took computerized tests, and paid computerized bills. But the real work was handled by specialists（由专家来处理）. Then microcomputers came along（出现） and changed everything（并改变了一切）. Today it is easy for nearly everybody to use a computer. Microcomputers are common tools in all areas of life. Writers write, artists draw, engineers and scientists calculate—all on microcomputers. Students and business people do all this, and more. New forms of learning have developed. People who are homebound, who work odd hours, or who travel frequently may take Web courses. A college course need not fit within a quarter or a semester. New ways to communicate, to find people