高中英语 Unit 3 Computers Section One Warming Up and Reading课件 新人教版必修2.ppt

Unit3Computers Heavy Difficult Hard Tired keyboard mouse monitor screen speaker hostcomputer camera Whatdotheyhaveincommon anabacus acalculator adesktop anotebookcomputeralaptop digitalcamera arobot Whatdotheyhaveincommon Ithinkthat Inmyopinion Ibelievethat What syourreason Whydoyouthinkso 1 Theycanbeusedforcalculating 2 Theycandealwithmathsproblems 3 Theyareourfriends 4 Theyareusefulandhelpful Discussion workforusinMars 火星 What snext carrythings workinwars 战斗 仿真机器人 entertainment娱乐 Whatdoyouthinkwillbethenextdevelopment CD DVD ROM DVDRW CRTmonitor LCDmonitor CPU harddisc chips motherboard somehardware 使用阴极射线管 CathodeRayTube 的显示器 LiquidCrystalDisplay keyboard mouse modem scanner printer speaker floppydisc disk USBflashdisc CD VCD DVD MP3player MP4player Memory 存储器 移动硬盘 USBFlashdisc 1TB固态硬盘 T硬盘 Harddisc Core2Duo 酷睿2 4核 龙芯8核 cpu otherusefulwordsandexpressionsaboutcomputer Network网络Virus病毒Download下载Upload上传Program程序Website站点Hacker黑客 Homepage主页Password密码Desktop桌面Username用户名Click点击Software软件Hardware硬件 Homepage主页 Reading WhoamI Skimming Readandanswerthesequestions 2 Whowasthefirstpersontoinventtheearliestcomputer 3 Whowasthenextimportantpersontodesigncomputers CharlesBabbage AlanTuring 1 WhoamI Acomputer timeline 1642 1822 1936 1940s 1960s 1970s Now Scanning Thecomputerbeganasacalculatingmachine theAnalyticalMachinewasbuiltbyCharlesBabbage Thecomputergrewrapidlybothinsizeandinbrainpower Computerhadgrownaslargeasaroom Computerswereusedinofficersandhomes Computersconnectpeopleallovertheworldtogether thefirstfamilyofcomputerswasconnectedtoeachother Thehistoryofcomputers thesecondgeneration 1956 1963 thethirdgeneration 1964 1971 thefourthgeneration 1971 Thefirstgeneration 1945 1956 Thedevelopmentofcomputers Calculatingmachine Analyticalmachine Universalmachine Artificialintelligence Computer Internet 计算器 分析机 万能机 通用机器 人工智能 calculating analytical universal mathematicalproblems Medicaloperations Memory Transistors Applications Communication Trade Intensivereading Underlinethephrases sentencesthatyouthinkareimportant Starsentences P1L2I instructionsfromcardswithholes P15EarlierIwasnotverybig butthenIbecame P1L6However peoplethoughtIwas untilthey Ihad artificialintelligence 我执行穿孔卡的指令 早些时候我并不是很大 但是后来我变得非常大 可是 人们认为我头脑简单 直到发现我有人工智能时 他们才不那么想了 followed huge simple minded discovered P1L8Astheyearshave Ihavebeenmadesmallerandsmaller P2L1Therewere whenmysizewas changed P2L3ButIwasalwayssolonely therebymyself untilintheearly1960s theygavemeafamily byanetwork 随着岁月的流逝 我被做得越来越小了 有段时期我的体积完全变了 但是我总是孤孤单单地站在那里 直到60年代初 人们才给了我一个用网络连接的家庭 goneby times totally standing connected Advantagesanddisadvantagesofthecomputers Discussion advantageswecancommunicatewithfriendslistentothemusicseefilms watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings DisadvantagesSomepeopleespeciallytheteenagersabandon 沉迷于 themselvestothecomputergam