IT英语教材.3技术阅读.ppt

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1.3IntroductiontoComputerComponents,FirstDayatWork,Contents,CPU,Memory,Input&outputdevices,KeyComputerComponents,Whatarethebasicfunctionsofacomputer?Whatarethekeyelementsofacomputer?,KeyComputerComponents,Acomputerisafastandaccuratesystem.Itisorganizedtoaccept,store,andprocessdataandproduceresults.,精确的,处理数据,Rawdata,Input,Process,Output,Store,Information,KeyComputerComponents,computersystem,中央处理器,内存,输入设备,输出设备,KeyComputerComponents,CPU,WhatisthefullnameofCPU?WhatisthecommonlyusedmetaphorforCPU?PleaselistthethreemainsectionsofaCPU.,CPU,CPU:CentralProcessingUnitThebrainofanycomputersystemistheCPU.,CPU,Arithmetic-logicsection,Controlsection,Memorysection,算逻单元,控制单元,存储单元,CPU,Memory,Whatdoesthetermmemoryoftenreferto?WhatisfullnameofRAM?WhatisthebasicfunctionofRAM?,ThetermmemoryoftenreferstoacomputersRAM.RAM:RandomAccessMemoryWithoutmemory,acomputercouldnotreadprogramsorretaindata.,Memory,谈及,指(的是),随机存取存储器,保持、保留,Memory,Memory,Keyboard,Joystick,Computersystemsusemanydevicesforinputpurposes.,Inputdevices,Mouse,Trackball,Graphicstablet,Outputdevicesareinstrumentsofinterpretationandcommunicationbetweenhumansandcomputersystems.,Outputdevices,器械,器具,解释、翻译,通讯,Monitor,Projector,Printer,PersonalComputers,WhatwasthetermPCoriginallyusedtoreferto?WhataresomeothertypesofmachinesthatarenotcalledPCs?WhyarePCsaresopopulartoday?,ThetermPCisoriginallyusedtodescribeanIBM-compatiblepersonalcomputer.BasicallyitwouldbeatypicalWindowsmachine.,PersonalComputers,最初,描述,兼容的,OtherstypesofmachinesthatarenotreferredtoasPCsareMacsandserversrunningUnixorLinux.,PersonalComputers,苹果电脑,服务器,WindowsOperatingSystemEnvironmentWindows操作系统环境,Thiseasy-to-useinterfacehasmadeitpossiblefornovicecomputeruserstofigureouthowtousethesoftware.,PersonalComputers,界面,新手、初学者,领会到、计算出,ServerComputers,Accordingtothepassage,whatarethethreetypesofthemostcommonlyusedservers?,ServerComputers,网页服务器,网络服务器,文件服务器,ServerComputers,Initsnetworkserverrole,thecomputerisresponsibleforholdingthefilesandmanagingtheprocessesthatenableeveryoneintheofficetoaccessandusethenetwork.,模式,对负责,访问、存取,使能够,Summary,CPU,Memory,Input&outputdevices,TheEnd,策划:张宏岩张翼制作人员:大连东软信息学院英语系:张翼杨毅李国际李黎杨晓轩孙建军审校:王慧玉,
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