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1、Unit 3 Computer 教学设计Uuter 教学设计Period 1: Warming up and readingTeaching ATo talk about compuTo read about compuProceduI. Warming upWarming up by talking about compuLook auage 17. What are they? What dav?are computers. Then what is a computer?A computer is a machine wwledgand does calculaat knowledge.
2、 This knowledgd in symbols;alled data. A computer usually has aw results. Howevuters can speak;uters can be used for voice mail. 计算机室A computer frequently requires a boot device.The boot devauter s operatingand data. Computer programs can be installed onto a compulat computers are less usefuldo not
3、have aITbecause the Iallowud and receive data and email aworld.曙光 3000 巨型计算机A compuw almost always an eldevice. It usually contains materials which are toxic;aterials will bxic waste when disposed of. When a newcompuurchasedlaces, laws require thawaste management must also be paid for. Talled produc
4、t stewardIuld computers aled (melted down) to get gold andals. This is dangerous, becaudure releaxic wawater and soil.Computers become obsolete quickly. Vare given away and newlawithin twars. This mablem wuling is thuad working compudeveloping naan be re-used and will not become waste as quickluter
5、jargon 计算机行话 uter jargon means words to do wuters and surroundingwing whawords mean can help you know more about compule uwordle (Also known as buzzwords).Examples of jargon:Bit -The smallest data unit, cabe a“0. ” or1.”Byte - unit of data. See also Kilobyte, Megabyte,Gigabyte and NibbIPU Central Pg
6、 Unit, AaData - Informad on a compuDisk - A pladataail - Elail.GHz - Gigahertz. Usedly to describd of aBut w2.4GHaster than 3.6 GHlear thaust a salesmaLoad - Get data from a dNibble - Half a Bave - Put data on a dRAM-random-a(随机存取存储器)bUSB - Universal SerialBus （通用串行总线，一种简化了插接多种附件的薄型插 座)WWW - World W
7、ide Web, paIII. Pre-readingQug and answering What do you know about computer?Elachine capablg calculationsandanipulavarioudata, undl of a storeduThe malardware;uctions agraware. Depending uuters are called mainfrauters, anduulude desk-top andportablalcompuBA multi -fuldevice that can execuuata A dev
8、ice that aaand supplies an output. A computer usually contaa control unit, aand logical units, and a meaut and output.a programmable hardwaalled bally stored programs and that caubstantial computations (including aand logic operations) without human intervA compuallg uunits, and associatedal input a
9、nd output dev Related to automation and eldatag. The Libragly clauter-related bHF5548, QA75-76, Z52, T385, and some TK ranges.a mag calculations automaticallalculator: an expert at calculation (or at operating calculating machines)A computer is a devaaking calculalling operaat are expressible in num
10、erical or logicaluters auctedale well-defined fuThe complex interadow computers wabilation. Ily configured (usually by, programming) a computer can be madaa problem or part of aIf a compuguredway is give2. Discussing and sharing Howhave computers changed our lives?dau haven t already, you re likely
11、to pluguter network nation growing in our midualall compud via modem (a modulator/demodulauding/decoding computer chatter) to ordinary telephone luld be as ubiquitous allf. Theyre a muuseful and humane tool thaand wate America behindworks will be everywherechangingour livan alogautomobilg a computer
12、 netwame ag a commuallare like villages, where new members are formally welcomed. The larger netwurce and CompuServxample, a-anonymous, full of life and events, but difficulIII. ReadingListening and readingdingxt WHO AM I?Turn to page 18 and listen and readdingxt. Pay aauunciation and intonaative re
13、ad2. Reading aloudand underliningexNow we aad the text once again andunderline all the exxt. Put them dowur notebook after class as homewllocaWHO AM I?begin as,a calculating machine, be built as, at thaa technological revoluart of artificial intelligence, write a book, be made to work, solve problgr
14、ow any larger, As time went by, go back to ,be made smallbecame so large, stand there by oneself, bd by , share knowledge wugh , be put into , provide humans with , deal with , truly filled with Reading, idg and settlingAlease! Ixand iddifficulTry analyzinguctudifficuland discuamong your group membe
15、rs. You may also put your qulat (online )(在 线)聊天To chaalk about ordinary things that are not vant. You can chaany people. People also uword now for paIwhere we can talk with many dle at the saUsually, you chaa chaaging service like AOL(American On-Line) Instager (AIM), YagN MessengIVdingaxalable bel
16、ow, describing the develuIn 1642The computer began as a calculating maIn 1822The analytical machine was made by Charles Babbage.In 1936The computer grew rapidlybandbrainpow0sThe computer had grown as large as aIn 1960sTamiluter wad to eaIn 1970sComputers were usedandNowCompule all over the worldTog2.Read the text again and complart below.Paragraph 1Paragraph 2ParagraTvI havebeen change
