计算机专业英语期末必考题及答案总结

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1、switchSwitches(Switch)isanidentificationbasedontheMAC(networkcardhardwareaddress),completethepackageforwardingpacketsfunctionalnetworkequipmentA router isadevicethatforwards datapackets between computernetworks,creatinganoverlayinternetwork. 路由器（Router）是连接因特网中各局域网、广域网的设备，它会根据信道的

2、情况自动选择和设定路由，以最佳路径，按前后顺序发送信号的设备路由器是为信息流或数据分组选择路由的设备。RouterisaroutingdevicetoselecttheflowofinformationordatapacketRouter(Router)isconnectedtotheInternet,LAN,WANequipment,itwillautomaticallyselectthechannelandroutingsettings,thebestpath,accordingtotheequipmentbeforeandaftertheorde

3、rtosendsignals区别Switchreferstoanynetwork-leveldatarelayequipment(althoughmulti-fingerbridge),whiletherouterismorefocusedonthenetworklayerThefirstswitchisadatalinklayerintheOSI/RMopenarchitecture,whichisthesecondlayer,whiletherouterisabeginningdesignworkatthenetworklayeroftheOSIm

4、odelTheswitchisaphysicaladdressorMACaddresstodeterminethedestinationaddressoftheforwardingdata.WhiletherouteristousetheIPaddress)todeterminethedataforwardingaddress交换机是一个物理地址或MAC地址来确定转发数据的目的地址。而路由器是使用的身份证号码不同的网络（即IP地址）来确定数据转发的地址Traditionalswitchcanonlybesplitcollisiondomainandbr

5、oadcastdomaincannotbesplit;routercansplitabroadcastdomain传统的交换机只能分割冲突域和广播域，不能分割;路由器可以分割广播域路由器支持NATRoutersupportsNAT而交换机不支持WindowsosTheWindowsoperatingsystem(English:Windows)operatingsystemunderMicrosoftDOSin1985.MicrosoftWindowsisacolorgraphicalinterfaceoperatingsystem.SupportCo

6、mpanionsfunction.ThedefaultplatformiscomposedofthetaskbaranddesktopiconsRunningWindowsprogramoperationsarecontrolledbythemouseandkeyboard.TheleftmousebuttonclickDefaultisselectedcommand,theleftmousebuttondouble-clicktheruncommandWindows操作系统是一款由美国微软公司开发的窗口化操作系统。采用了GUI图形化操作模式，比起从前

7、的指令操作系统如DOS更为人性化。Windows操作系统是目前世界上使用最广泛的操作系统TheWindowsoperatingsystemisadevelopmentbytheU.S.Microsoft，ItusesaGUIgraphicalmodeofoperation，ComparedtothepreviousinstructionoperatingsystemsuchasDOSmorehumane.TheWindowsoperatingsystemistheworld'smostwidelyusedoperatingsystemUnixUNIX,

8、isapowerfulmulti-user,multitaskingoperatingsyst