计算机导论考试简答题Introduction to computer testWord格式文档下载.docx
- 文档编号:22552669
- 上传时间:2023-02-04
- 格式:DOCX
- 页数:10
- 大小:19.44KB
计算机导论考试简答题Introduction to computer testWord格式文档下载.docx
《计算机导论考试简答题Introduction to computer testWord格式文档下载.docx》由会员分享,可在线阅读,更多相关《计算机导论考试简答题Introduction to computer testWord格式文档下载.docx(10页珍藏版)》请在冰豆网上搜索。
1.,sequentialstructure:
fromtoptobottominordertoperform.
2.selectionstructure:
statementswithif
The3.loopstructure:
statementswithforandwhile
11.Thefileisacollectionofrelateddatastoredinmemoryonthecomputer.Whatisthefilenamingrule?
Howdoestheoperatingsystemorganizefiles?
Whataretheadvantagesofthisorganizationalapproach?
thefilenameofafileconsistsoftwoparts:
themainfilenameandtheextension.Whenextensionsareused,numbersareseparated.
Filesinthesamefolderarenotallowedtohavethesamefilename,
Organization:
organizedocumentsatdifferentlevels
Advantages:
itwillgreatlyimprovetheefficiencyofdocumentmanagement,especiallytheefficiencyoffilesearch.
12,forthecomputersystem?
Neumannsystem,letthecomputertocompleteatask,whichcanbedividedintoseveralsteps?
input-"
storage-"
control-"
operation-"
output,
15,whatarethemaintechnicalmeasurestoensurethesecurityofcomputersystems?
threeaspectsoftechnicalsafety,managementsafety,legalsecurity.
Antivirustechnology,antihackertechnology,firewalltechnology,intrusiondetectiontechnology,dataencryptiontechnology,securityauthenticationtechnology
16,abriefdescriptionofthedevelopmentprocessofcomputers.
ENIACjustafewdecadesafterbirth,thedevelopmentofcomputersbyleapsandbounds.Themainelectronicdeviceshavebeenusingvacuumtubes,transistors,mediumandsmallscaleintegratedcircuitsandlargescaleandverylargescaleintegratedcircuits,whichhaveledtoseveralupgradingofcomputers.
Thefirstgeneration(1946~1957)isacomputer,itisthebasicelectroniccomponentselectronictube,memoryusingmercurydelaylinememorymainlyusesadrum,tape,tapecards,etc.
Thesecondgeneration(1958~1970)wasatransistorcomputer.Alargenumberofmagneticmemorycoresmadeofmagneticmaterialsareusedinmemory
Thethirdgeneration(1963~1970)isanintegratedcircuitcomputer(smallscale)basicelectroniccomponentsthirdgenerationcomputercircuitsaresmallscaleintegratedcircuitandmediumscaleintegratedcircuits,thefurtherdevelopmentofcorememory,andstartwiththebetterperformanceofsemiconductormemory
Thefourthgeneration(1971~dayago)isalargescaleintegratedcircuitcomputer
Highlyintegratedsemiconductormemoryreplacesmagneticcorememory.
18,fromtheuser'
spointofview,whatcomponentsshouldbeincludedinthehardwaresystemofapersonalcomputer?
monitor,host,keymouse,thehostisinsidebyCPU,motherboard,power,memory,graphicscard(seetheusersituation,availableintegration,butalsocanbeusedalone),CD-ROM,chassis,harddisk8parts.It'
sbasic,andaudioequipment...Andsoon
19,Internetiswhatkindofnetwork,itcanprovidewhataspectsoffunctionalservices?
Whatcanyougetoutofit?
itisaglobalnetworkofcomputersthatcommunicatewitheachotherusingpubliclanguage.
Features:
(1)emailE_mail
(2)remoteloginTelnet(3)filetransferFTP;
(4)WWWservices,someofwhicharefreeofcharge,andsomeservicesarecharged.
21,abriefdescriptionofthebasiccomponentsofthecomputer,themainfunctionofeachcomponent,aswellastherelationshipbetweenthecomponents.
motherboard:
themainbodyofaPC,themotherboardtocompletethemanagementandcoordinationofcomputersystems,supportvariousCPU,functionalcardsandthenormaloperationofthebusinterface
CPU:
thatisthecentralprocessingunit,thecoreofthewholesystem,andthehighestunitofexecutioninthewholesystem.Itisresponsiblefortheexecutionofthewholesysteminstruction,theoperationofmathematicsandlogic,thestorageandtransmissionofdata,andthecontrolofinternalandexternalinputandoutput.
Chipset:
infact,anintegratedcircuitchip,itistheinternalcomponents,functionsandmorechipsofthefootassembly
Memory:
itisoneoftheimportantcomponentsonthemotherboard.ItisthepartofdataandprogramthatstoresthedatabetweenCPUandperipheraldevice.
CD-ROM:
computerusedtoreadandwriteCDcontentofthemachine,
Disk:
ourcomputeriscurrentlythemostcommonlyusedessentialstoragetools(includingfloppydiskandharddisk)
Keyboard:
oneofthenecessarytoolsforprovidinginstructionsandinformationtoacomputer.Itisanimportantinputdeviceofthecomputersystemandconnectedtothemainboxbyacable.Thekeyboardhas101keysand104keys.
Themouseisanimportantinputdeviceofcontemporarycomputerindispensable,withthemouse(Mouse)asaninputdevice,cangreatlyfacilitatetheoperationofthesoftware,especiallyinagraphicalenvironment(suchasWindows,OS/2andotheroperatingsystemuse).
Monitor:
alsocalledmonitor(Monitor).Displayisoneofthemostimportantoutputdevicesofcomputer,andalsothemainchannelforpeopletocommunicatewithcomputers.
23.Describethecharacteristicsandoperationmodesofthelinearlist,stackandqueue
alineartableisasequenceoffiniteelementsofthesametype.
Asarestrictivelineartable,thestacklimitstheinsertionanddeletionofthelineartabletoonlyoneendofthetable.Itischaracterizedbytheelementsoftheincomingqueue.
Thebasicoperationofthestack,inadditiontothestack(stacktopinsert),outofthestack(deletetopofthestack),aswellastheestablishmentofthestack(stackinitialization),empty,full,andaccesstothetopelementsofthestackandotheroperations,
Aqueueisarestrictedlineartablewithelementsaddedatoneendofthetable,andthedeletionofelementsattheotherendofthetable.Thefeatureisthattheincomingqueueelementfirstgoesoutofthequeue.
25,howarecomputersoftwareclassified?
Whatisthemaincomponentofacomputersoftwaresystem?
softwareisdividedintotwokinds,oneissystemsoftware,suchasoperatingsystemorsomeprogrammingsoftware,andtheotherisapplicationsoftware,suchasOFFICE,gameandsoon
Composition:
computersoftwareconsistsofprogramsandrelateddocuments.Aprogramisasymbolicrepresentationofaninstructionsequence,andadocumentisthetechnicaldatacreatedduringthesoftwaredevelopmentprocess.Aprogramisthebodyofasoftwarethatisusuallystoredinstoragemediasuchasfloppydisks,harddisks,andopticaldisksforuseonacomputer.Thedocumentisespeciallyimportantfortheuseandmaintenanceofsoftware,asasoftwareproductreleaseddocumentismainlymanual,whichcontainsthesoftwarefeatures,operatingenvironmentrequirements,installationmethods,operatinginstructionsanderrorinformationetc..Theoperatingenvironmentofasoftwarerequirementisrunningitshouldhaveatleasthardwareandothersoftwareconfiguration,thatistosay,inthehierarchicalstructureofthecomputersystem,itisthesoftwareofthelowerlayer(innerlayer)atleastconfiguration(includingequipmentandsoftwareversionrequirementsindicatorsofhardwarerequirements,etc.).Computersoftwarecanbedividedintosystemsoftwareandapplicationsoftwarebyapplication.
Systemsoftwarecanbedividedinto3categories:
operatingsystemsoftware(softwarecore),variouslanguageprocessingprogramsandvariousdatabasemanagementsystems.
Programswrittentosolvevariouscomputerproblemsarecalledapplicationsoftware.Itcanbedividedintoapplicationpackagesanduserprograms
Compositionview2:
softwaresystemsrefertoacomputersoftwaresystemconsistingofsystemsoftware,supportsoftware,andapplicationsoftware.Itisacollectionofallthesoftwareinthecomputer.Itincludesoperatingsystem,languageprocessingsystem,databasesystem,distributedsoftwaresystemandhuman-computerinteractionsystem.
Operatingsystem,astheunderlyingsoftware,isessential.Itprovidesaccess,managementandcontrolforallkindsofhardwareandsoftware.Forexample,nowpopulardesktopoperatingsystems,Windowsseries,andsoon.
Supportsoftware,alsoknownassoftwaredevelopmentenvironment,andallotherapplicationsaredevelopedintheoperatingsystemthroughsupportsoftware,suchasVB,C++andsoon.
Ofcourse,sometimessupportsoftwarealsoincludessomebasictools,suchasnetworkconnectionprograms,hardwaredrivers,andsoon.
Applicationsoftware,asdescribedearlier,isdevelopedforotherspecificapplications,suchasmusic,videoplaybacksoftware,browsersoftware,pictureeditingsoftware,andsoforth.
26,accordingtothemainelectroniclogiccomponentsusedbythecomputer,thecomputerhasgonethroughseveralstagesofdevelopment,whataretherepresentativesofeachstage?
Thefirstgeneration(1946~1957)isacomputer,itisthebasicelec
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 计算机导论考试简答题Introduction to computer test 计算机 导论 考试 答题 Introduction
链接地址:https://www.bdocx.com/doc/22552669.html