Unit1(新)课件.ppt

Computer English;;;几幅计算机幽默图片;;;;;Is Windows a virus ?;;;Part One Computer Basics;Ⅰ. Introduction Ⅱ. History 1. the analytical engine 2. early computers 3. electronic computers 4. integrated circuits Ⅲ. Hardware Ⅳ. Programming Ⅴ. Future developments ;Section A Computer Overview ;New words transaction n.交易，业务，事物(处理) automation n.自动化 enhance v.增强 conjecture n.推测，猜想 database n.数据库 privacy n.隐私，秘密 Computers have a great effect on modern word come about 发生，产生 except for 除…以外 open up 开创，开辟 Make + 宾语 + 补语 Database services and computer networks make available a great variety of information sources. The same advanced techniques also make possible invasions of personal and business privacy. ;;Different types and sizes of computers find uses throughout society in the storage and handling of data, from secret government files to banking transactions to private household accounts. Computers have opened up a new era in manufacturing through the techniques of automation, and they have enhanced modern communication systems. opened up:开创，开辟;They are essential tools in almost every field of research and applied technology, from constructing models of the universe to producing tomorrows weather report, and their use has in itself opened up new areas of conjecture. Database services and computer networks make available a great variety of information sources .The same advanced techniques also make possible invasions of personal and business privacy. Computer crime has been one of the many risks that are part of the price of modern technology .;2 . History;;ENIAC;;;New words precursor n.先驱 digit n.数字 loom n.织机 perforated a.穿孔的 conceive v.想出 punched card 穿孔卡片 electrical contact 电触点 compile v. 汇编，编译 compiler 编译器 census n. 人口普查 1642 the first adding machine toothed wheel 1670s addingmultiplying machine automatic loom thin perforated wooden board 1880s