高中英語-Unit3《Computers》課件22-新人教版必修2

Unit3Computers

Period1Warmingup第一頁，編輯于星期四：二十三點四十九分。Heavy!Difficult!Hard!Tired!第二頁，編輯于星期四：二十三點四十九分。Easy!Fast!Free!第三頁，編輯于星期四：二十三點四十九分。keyboardmousemonitorscreenspeakerhostcomputercamera第四頁，編輯于星期四：二十三點四十九分。Whatdotheyhaveincommon?anabacusacalculatoradesktopanotebookcomputeralaptop第五頁，編輯于星期四：二十三點四十九分。digitalcameraarobot第六頁，編輯于星期四：二十三點四十九分。(Whatdotheyhave

incommon?)Ithinkthat…Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.Discussion第七頁，編輯于星期四：二十三點四十九分。workforusinMars(火星)What’snext?第八頁，編輯于星期四：二十三點四十九分。carrythingsworkinwars(戰(zhàn)斗)第九頁，編輯于星期四：二十三點四十九分。仿真機器人entertainment娛樂Whatdoyouthinkwillbethenextdevelopment?第十頁，編輯于星期四：二十三點四十九分。CD--DVD-ROMDVDRWCRTmonitorLCDmonitorCPUharddiscchips/motherboardsomehardware:使用陰極射線管(CathodeRayTube)的顯示器

Liquid

Crystal

Display

第十一頁，編輯于星期四：二十三點四十九分。keyboardmousemodemscannerprinterspeaker第十二頁，編輯于星期四：二十三點四十九分。floppydisc/diskUSBflashdiscCD/VCD/DVDMP3playerMP4playerMemory:(存儲器)第十三頁，編輯于星期四：二十三點四十九分。移動硬盤USBFlashdisc1TB固態(tài)硬盤T硬盤Harddisc:第十四頁，編輯于星期四：二十三點四十九分。Core2Duo

酷睿2:4核龍芯8核cpu:第十五頁，編輯于星期四：二十三點四十九分。otherusefulwordsandexpressionsaboutcomputer:Network網(wǎng)絡

Virus病毒Download下載Upload上傳Program程序Website站點Hacker黑客Homepage主頁Password密碼Desktop桌面Username用戶名Click點擊Software軟件Hardware硬件Homepage主頁第十六頁，編輯于星期四：二十三點四十九分。Reading:WhoamI?第十七頁，編輯于星期四：二十三點四十九分。Skimming:Readandanswerthesequestions:2.Whowasthefirstpersontoinventtheearliestcomputer?

3.Whowasthenextimportantpersontodesigncomputers?

CharlesBabbageAlanTuring1.WhoamI?Acomputer.第十八頁，編輯于星期四：二十三點四十九分。timeline1642:

1822:

1936:

1940s:1960s:1970s:Now:Scanning:Thecomputerbeganasacalculatingmachine.theAnalyticalMachinewasbuiltbyCharlesBabbage.Thecomputergrewrapidlybothinsizeandinbrainpower.Computerhadgrownaslargeasaroom.Computerswereusedinofficersandhomes.Computersconnectpeopleallovertheworldtogether.thefirstfamilyofcomputerswasconnectedtoeachother第十九頁，編輯于星期四：二十三點四十九分。Thehistoryofcomputers第二十頁，編輯于星期四：二十三點四十九分。thesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)第二十一頁，編輯于星期四：二十三點四十九分。Thedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternet計算器分析機萬能機,通用機器人工智能第二十二頁，編輯于星期四：二十三點四十九分。Develop-mentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalytical

universal

mathematicalproblems第二十三頁，編輯于星期四：二十三點四十九分。Develop-mentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________Narrow

WideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTrade第二十四頁，編輯于星期四：二十三點四十九分。Intensivereading:Underlinethephrases&sentencesthatyouthinkareimportant第二十五頁，編輯于星期四：二十三點四十九分。Starsentences:P1L2I_______instructionsfromcardswithholes.P15EarlierIwasnotverybig,butthenIbecame______.P1L6However,peoplethoughtIwas___________untilthey_________Ihad“artificialintelligence.〞我執(zhí)行穿孔卡的指令早些時候我并不是很大，但是后來我變得非常大可是，人們認為我頭腦簡單，直到發(fā)現(xiàn)我有人工智能時，他們才不那么想了。followedhugesimple-mindeddiscovered第二十六頁，編輯于星期四：二十三點四十九分。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，人們才給了我一個用網(wǎng)絡連接的家庭。gonebytimestotallystandingconnected第二十七頁，編輯于星期四：二十三點四十九分。Advantagesanddisadvantagesofthecomputers.Discussion第二十八頁，編輯于星期四：二十三點四十九分。

advantages

wecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings

DisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothe