专业英语第2次作业.docVIP

计算机专业英语第2次作业 第二次作业 1.E-mail is an electronic system for sending and receiving messages and files over a computer network. 正确 2.E-mail is protected by copyright law. 正确  3.Input hardware consists of external devices―that is, components 正确  .An optical scanner uses light-sensing equipment to convert images 正确 5.An operating system (OS) is the basic software 6.图形化用户界面的英文术语是 A：BIOS B：WINDOWS C：DOS 7.C++ is an object-oriented programming B A：No 8.The operating systems small bootstrap program is sotred in ___A__? A：ROM B：RAM C：FLASH 9. FORTRAN is written for____? A： scientific applications B：business applications  10.Programming languages can be classified as___? A：low-level languages B：high-level languages C：either low-level languages or high-level languages 11.The new message caused a ______ when it was launched last month. A：sense B：sensor C：sensation D：sensitive 正确答案：C 11.写出下列术语的英文或中文意思。 1 DSL 参考答案： 1 数字用户线路 2 fax machine 2 传真机 3 wireless communications 3 无线通信 4 高清晰度电视4 high-definition TV 5 公用电话网5 public telephone network 论述题]12.阅读下列短文，从A、B、C、D四个选项中，选出最佳选项。 Thirty years ago I worked in a company . My job was to sell the cars . I was young and strong and I had been to most parts of the world and I spent one fifth of my time in the trains or planes . I liked such a life and sometimes I called myself traveller ”. But one day I got into trouble . It was a cold morning . It blew heavily and the ground was covered with thick snow outside . I was still in bed though it was nine . I finished a long journey the day before and decided to have a good rest . Suddenly the telephone rang and my manager told me to fly to New York to take part in an important meeting . I had to get up and after a quick breakfast I hurried to the airport . The taxi went slowly and I missed the first flight . I had to take the next one . It meant