IT英語教材.3技術(shù)閱讀.ppt

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1.3IntroductiontoComputerComponents,FirstDayatWork,Contents,CPU,Memory,Input&outputdevices,KeyComputerComponents,,Whatarethebasicfunctionsofacomputer?Whatarethekeyelementsofacomputer?,KeyComputerComponents,Acomputerisafastandaccuratesystem.Itisorganizedto[accept,store,andprocessdataandproduceresults].,精確的,處理數(shù)據(jù),Rawdata,Input,Process,Output,Store,Information,KeyComputerComponents,computersystem,,,,,中央處理器,內(nèi)存,輸入設(shè)備,輸出設(shè)備,,KeyComputerComponents,,,,,CPU,,WhatisthefullnameofCPU?WhatisthecommonlyusedmetaphorforCPU?PleaselistthethreemainsectionsofaCPU.,CPU,CPU:CentralProcessingUnitThebrainofanycomputersystemistheCPU.,CPU,,Arithmetic-logicsection,Controlsection,Memorysection,算邏單元,控制單元,存儲(chǔ)單元,,CPU,,,,,Memory,,Whatdoesthetermmemoryoftenreferto?WhatisfullnameofRAM？WhatisthebasicfunctionofRAM？,Thetermmemoryoftenreferstoacomputer’sRAM.RAM:RandomAccessMemoryWithoutmemory,acomputercouldnotreadprogramsorretaindata.,Memory,談及,指(的是),隨機(jī)存取存儲(chǔ)器,保持、保留,,Memory,,,,,,Memory,,,,,Keyboard,Joystick,Computersystemsusemanydevicesforinputpurposes.,Inputdevices,Mouse,Trackball,Graphicstablet,Outputdevicesareinstrumentsofinterpretationandcommunication[betweenhumansandcomputersystems].,Outputdevices,器械,器具,解釋、翻譯,通訊,Monitor,Projector,Printer,PersonalComputers,,Whatwastheterm‘PC’originallyusedtoreferto?WhataresomeothertypesofmachinesthatarenotcalledPCs?WhyarePCsaresopopulartoday?,Theterm‘PC’isoriginallyusedtodescribeanIBM-compatiblepersonalcomputer.BasicallyitwouldbeatypicalWindowsmachine.,PersonalComputers,最初,描述,兼容的,Otherstypesofmachines[thatarenotreferredtoasPCs]areMacsandservers[runningUnixorLinux].,PersonalComputers,蘋果電腦,服務(wù)器,WindowsOperatingSystemEnvironmentWindows操作系統(tǒng)環(huán)境,,Thiseasy-to-useinterfacehasmadeitpossiblefornovicecomputeruserstofigureouthowtousethesoftware.,PersonalComputers,界面,新手、初學(xué)者,領(lǐng)會(huì)到、計(jì)算出,ServerComputers,,Accordingtothepassage,whatarethethreetypesofthemostcommonlyusedservers?,ServerComputers,網(wǎng)頁服務(wù)器,網(wǎng)絡(luò)服務(wù)器,文件服務(wù)器,ServerComputers,Initsnetworkserverrole,thecomputerisresponsibleforholdingthefilesandmanagingtheprocesses[thatenableeveryoneintheofficetoaccessandusethenetwork].,模式,對…負(fù)責(zé),訪問、存取,使…能夠,Summary,CPU,Memory,Input&outputdevices,TheEnd,策劃：張宏巖張翼制作人員：大連東軟信息學(xué)院英語系：張翼?xiàng)钜憷顕H李黎楊曉軒孫建軍審校：王慧玉,