IT英語教材.3技術(shù)閱讀.ppt

1.3IntroductiontoComputerComponents,FirstDayatWork,Contents,CPU,Memory,Input&outputdevices,KeyComputerComponents,Whatarethebasicfunctionsofacomputer?Whatarethekeyelementsofacomputer?,KeyComputerComponents,Acomputerisafastandaccuratesystem.Itisorganizedtoaccept,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？,ThetermmemoryoftenreferstoacomputersRAM.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,Outputdevicesareinstrumentsofinterpretationandcommunicationbetweenhumansandcomputersystems.,Outputdevices,器械,器具,解釋、翻譯,通訊,Monitor,Projector,Printer,PersonalComputers,WhatwasthetermPCoriginallyusedtoreferto?WhataresomeothertypesofmachinesthatarenotcalledPCs?WhyarePCsaresopopulartoday?,ThetermPCisoriginallyusedtodescribeanIBM-compatiblepersonalcomputer.BasicallyitwouldbeatypicalWindowsmachine.,PersonalComputers,最初,描述,兼容的,OtherstypesofmachinesthatarenotreferredtoasPCsareMacsandserversrunningUnixorLinux.,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,thecomputerisresponsibleforholdingthefilesandmanagingtheprocessesthatenableeveryoneintheofficetoaccessandusethenetwork.,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,