高中英語 Unit3《Computers》課件16 新人教版必修

,Unit3ComputersPeriod1Warmingup,Heavy!Difficult!Hard!Tired!,keyboard,mouse,monitor,screen,speaker,hostcomputer,camera,Whatdotheyhaveincommon?,anabacus,acalculator,adesktop,anotebookcomputeralaptop,digitalcamera,arobot,(Whatdotheyhaveincommon?),IthinkthatInmyopinionIbelievethatWhatsyourreason?Whydoyouthinkso?,1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.,Discussion,workforusinMars(火星),Whatsnext?,carrythings,workinwars(戰(zhàn)斗),仿真機(jī)器人,entertainment娛樂,Whatdoyouthinkwillbethenextdevelopment?,CD-DVD-ROM-DVDRW,CRTmonitor,LCDmonitor,CPU,harddisc,chips/motherboard,somehardware:,使用陰極射線管(CathodeRayTube)的顯示器,LiquidCrystalDisplay,keyboard,mouse,modem,scanner,printer,speaker,floppydisc/disk,USBflashdisc,CD/VCD/DVD,MP3player,MP4player,Memory:(存儲(chǔ)器),移動(dòng)硬盤,USBFlashdisc,1TB固態(tài)硬盤,T硬盤,Harddisc:,Core2Duo,酷睿2:4核,龍芯8核,cpu:,otherusefulwordsandexpressionsaboutcomputer:,Network網(wǎng)絡(luò)Virus病毒Download下載Upload上傳Program程序Website站點(diǎn)Hacker黑客,Homepage主頁P(yáng)assword密碼Desktop桌面Username用戶名Click點(diǎn)擊Software軟件Hardware硬件,Homepage主頁,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,計(jì)算器,分析機(jī),萬能機(jī),通用機(jī)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.”,我執(zhí)行穿孔卡的指令,早些時(shí)候我并不是很大，但是后來我變得非常大,可是，人們認(rèn)為我頭腦簡單，直到發(fā)現(xiàn)我有人工智能時(shí)，他們才不那么想了。,followed,huge,simple-minded,discovered,P1L8Astheyearshave_,Ihavebeenmadesmallerandsmaller.P2L1Therewere_whenmysizewas_changed.P2L3ButIwasalwayssolonely_therebymyself,untilintheearly1960s,theygavemeafamily_byanetwork.,隨著歲月的流逝，我被做得越來越小了.,有段時(shí)期我的體積完全變了,但是我總是孤孤單單地站在那里，直到60年代初，人們才給了我一個(gè)用網(wǎng)絡(luò)連接的家庭。,goneby,times,totally,standing,connected,Advantagesanddisadvantagesofthecomputers.,Discussion,advantageswecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings,DisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothecomputergam