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1、Inthissemester,wewilldeliveranewcourse,computingessentialwhichisforthecomputerstudents.Ourcourseobjectiveisforthefollowings:Atthefirst,itistopromoteourreadingcompetenceforscienceandtechnologyliteratureofcomputer.Thesecondis,tograspnumberofcomputervocabularya
2、ndterminology.Thethirdaspectis,togetfamiliartothewritingskillsaboutabstractofscientificpaper.Iveryexpectthesuccessesinyourstudies,thankyou.Chapt.1InformationTechnology,theInternet,andYouThepurposeofthisbookistohelpyoubecomecompetentwithcomputertechnology.Com
3、putercompetency（计算机能力）refersto（指的是）acquiringcomputer-relatedskills—indispensabletoolsfortoday.Theyincludehowtoeffectivelyusepopularapplicationpackages(应用程序包)andtheInternet.Inthischapter,wepresentanoverview（综述）ofaninformationsystem:people,procedures,software,
4、hardware,anddata.Itisessentialto（对…是必不可少的；重要的）understandthesebasicpartsandhowconnectivitythroughtheInternetandtheWebexpandstheroleofinformationtechnologyinourlives.Later,wewilldescribethesepartsofaninformationsystemindetail.Fifteenyearsago,mostpeoplehadlittl
5、etodowith(处理；与…有关系)computers,atleastdirectly.Ofcourse,theyfilledoutcomputerizedforms（填写计算机表格）,tookcomputerizedtests,andpaidcomputerizedbills.Buttherealworkwashandledbyspecialists（由专家来处理）.Thenmicrocomputerscamealong（出现）andchangedeverything（并改变了一切）.Todayitisea
6、syfornearlyeverybodytouseacomputer.·Microcomputersarecommontoolsinallareasoflife.Writerswrite,artistsdraw,engineersandscientistscalculate—allonmicrocomputers.Studentsandbusinesspeopledoallthis,andmore.·Newformsoflearninghavedeveloped.Peoplewhoarehomebound,wh
7、oworkoddhours,orwhotravelfrequentlymaytakeWebcourses.Acollegecourseneednotfitwithinaquarterorasemester.·Newwaystocommunicate,tofindpeoplewithsimilarinterests,andtobuygoodsareavailable.Peopleuseelectronicmail,electroniccommerce,andtheInternettomeetandtosharei
8、deasandproducts.Tobecompetentwithcomputertechnology,youneedtoknowthefivepartsofaninformationsystem:people,procedures,software,hardware,anddata.Youalsoneedtounderstandconnectivity,thewirelessrevo
