计算机技术导论试题及答案Introduction to computer technology questionsand answers.docx

计算机技术导论试题及答案Introduction to computer technology questionsand answers.docx

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计算机技术导论试题及答案Introductiontocomputertechnologyquestionsandanswers

计算机技术导论试题（3）及答案（Introductiontocomputertechnologyquestions（3）andanswers）

Judgmentquestion

（1）thegradualdevelopmentofsoftwareisthetrendofcomputerdevelopment.（a）

Correctmistake

（2）thebasicnumberofthe8decimalsystemisfrom1to8.（b）

Correctmistake

（3）theformulaofRadixweightexpansioncanbeusedtoconvertthenumberofRRadixto10decimalnumber.（a）

Correctmistake

（4）therearealsobyteorderproblemsinUTF-8.（b）

Correctmistake

（5）atwork,thepowerissuddenlyinterruptedandalltheinformationintheROMwillbelost.B）

Correctmistake

（6）thecommonlyusedCD-ROMdiskcanonlyreadtheinformationandcannotwriteit.（a）

Correctmistake

（7）.Inthevirtualmemoryofthememoryhierarchy"memory-secondarylevel.（a）

Correctmistake

（8）computersoftwarereferstoprogramsrunningonacomputer.（b）

Correctmistake

（9）thenameoftheExcelworksheetisdeterminedbythefilename.（b）

Correctmistake

（10）graphicsandgraphicsrelateddatacannotbeprocessedinExcel.（b）

Correctmistake

（11）thenumberoftuplesinarelationislimited.（a）

Correctmistake

（12）thedatabaseisthecoreofthedatabasesystem.（b）

Correctmistake

（13）inadatabasesystem,dataisnolongerorientedtoanapplication,butisdescribedandorganizedasawholeandmanageduniformlybyDBMS,sodatacanbesharedbymultipleusersandmultipleapplications.（a）

Correctmistake

（14）DNSisnotonlyadistributeddatabase,butalsoaserviceofapplicationlayerinTCP/IPprotocol.（a）

Correctmistake

（15）usinginterconnectdevices,hubscanformabustypenetwork.（b）

Correctmistake

（16）thecomputernetworkislogicallydividedintodataprocessingsubnetandcommunicationsubnet.（b）

Correctmistake

（17）Dreamweavercanonlypagelayoutintabularform.（b）

Correctmistake

（18）usingtheframeworkstructure,youcanbrowsemultiplepagesathome.（a）

Correctmistake

（19）inasymmetrickeycryptographysystem,thetwopartiesmustsharethesecretkeyinadvance.（a）

Correctmistake

（20）inordertorealizesecurecommunication,inthepublickeycryptographysystem,theencryptionkeyissecret,andthedecryptionkeyispublic.（b）

Correctmistake

Radioexamination

（21）thehostconsistsof（a）.

ALU,memoryandcontroller

Arithmeticandcontroller

Inputdeviceandoutputdevice

Memoryandcontroller

（22）largeclustercomputertechnologyisacomputersystemthatusesanumberofseparate（b）computersthatworklikeamachine.

CPU

Computer

ROM

CRT

（23）thelargestnumberofthefollowingis（D）.

（1010010）2

（512）8

（00101000）BCD

（235）16

（24）.KnownChinesecharacters"study"ofthemachinecodeisD1A7H,whichisthenationalstandardcode（a）.

5127H

Fivethousandonehundredandtwenty-seven

4907H

Fourthousandninehundredandseven

（25）thenumberof8bitcomplementmachinesin-128is（a）.

（10000000）2

（11111111）2

（01111111）2

Cannotrepresent

（26）thedatarangeoftheintegerNrepresentedby8bitwordlengthcomplementis（a）.

-128to127

-127to127

-127to128

-128to128

（27）.N8bitintegercoderepresentationofthedatarangeis（B）.

-128to127

-127to127

-127to128

-128to128

（28）thecomplementnumber（10000000）2,arithmeticrightshift,onebitandlogicalshifttoonebit,respectively,are（a）.

（11000000）2and（01000000）2

（01000000）2and（11000000）2

（01000000）2and（01000000）2

（11000000）2and（11000000）2

（29）.

Whichoperationcaneliminate0bits（a）ofsomebitsinadata?

.

and

or

wrong

XOR

（30）oneencodingofacharacterinaUCS-4encodingschemerequiresCbytes.

One

Two

Four

Eight

（31）thefollowingitemsdonotbelongtothecomputerperformanceindex（D）.

Frequency

Wordlength

Operationspeed

DoyouhaveCD-ROM?

（32）keyboard,mouseand（b）areallpartoftheimportantuserinterface

Printer

Monitor

Scanner

Handwritingpen

（33）whichdoesnotbelongtotheexternaldevice（a）?

.

Internalstorage

Externalmemory

inputdevice

outputdevice

（34）whichdoesnotbelongtotheoutputdevice（a）?

.

Lightpen

Monitor

Printer

Loudspeakerbox

（35）.1MB=（b）bytes.

Twohundredandten

Twohundredandtwenty

Twohundredandthirty

Twohundredandforty

（36）whichofthefollowingsoftwaredoesnotbelongtosystemsoftware（d）?

.

Compiler

Diagnosticprogram

Largedatabase

Financialmanagementsoftware

（37）thefollowingsoftwarethatdoesnothavethediskpartitionfunctionis（D）.

Fdisk

Pqmagic

DiskGenius

Flash

（38）iconsareoneofthemostimportantfeaturesofWindows（D）.Isanerrordescriptionoftheicon

Iconscanbegroupedtogether

Iconscanrepresentprogramsandcanalsorepresentdocuments

Iconscanrepresentprogramswhosewindowsareminimized

Iconsrepresentonlyoneapplication

（39）thereisastartbuttonbelowthedesktopofWindows,andthestatementaboutitisincorrect（a）.

Useitonlywhenitispoweredoff

ClickittoappearamenuthatcontainstheWindowscommand

Itistheentrancetotherunningprogram

Itisthemostcommonwaytoexecuteprograms

（40）themethodofexitingthecurrentapplicationis（D）.

PresstheEsckey

PresstheCtrl+Esckey

PresstheAlt+Esckey

PresstheAlt+F4key

（41）aboutaddingtheshortcutstartbuttoninthequickstartzoneofthetaskbar,itisincorrect（B）.

Movingtheiconsonthedesktoptothe"quickstart"zoneistopreventtheotherprogramswindowfromblockingit

Aftermovingtheiconsonthedesktoptothe"quickstart"zone,theiconsonthedesktopdonotexist

Dragiconsfromthedesktoptothequicklaunchzonewiththemouse

Afterdraggingtothequicklaunchzone,iconsstillexistonthedesktop

（42）afterclickingtheminimizebutton,thecurrentwindow（C）.

Thecurrentwindowwilldisappear

Thecurrentwindowisclosed

Thecurrentwindowisreducedtoicons

openthecontrolmenu

（43）.TocreateafolderinC,thefollowing（d）operationiswrong.

Start>"program">"commandprompt">implementationof"MDC:

\\directoryname"commandpath

Mycomputer>C>>openthespecifiedfolder"file">"new">"folder"

Start>"program">"Explorer">specifiedfolder>"file">"new">"folder"

The"start">>"run"inthedialogboxinput"MDC:

\\directorypathname"command"todetermine>"

（44）whenyouformatadiskinWindows,ifyouwanttofullyexaminethedisksurfaceandmarkthebadsectors,select（b）intheformattingtypeintheformattingdialogbox.

fast

comprehensive

Copyonlysystemfiles

Quickandcomprehensive

（45）afteracommandinamenuoftheWindowsapplicationisselected,anadditionalmenu（orsubmenu）appearsontherightofthemenu,whichisthecommand（D）.

Heel"..."

Istherea"before"?

"

Grey

Followedbytriangularsymbols

（46）themethodofexitingthecurrentapplicationis（D）.

PresstheEsckey

PresstheCtrl+Esckey

PresstheAlt+Esckey

PresstheAlt+F4key

（47）Excelsoftwareisa（C）.

Largedatabasesystem

operatingsystem

Applicationsoftware

Systemssoftware

（48）intheworksheet,toselectthediscontinuousregion,pressthe（b）keyfirst,

Thenclickthecellareayouwant.

Alt

Ctrl

Shift

Del

（49）whenyouopenthehelptopic:

Microsoftsysteminformationhelpwindow,youshouldclickthe（a）tabtodisplaythelistofbasicfunctionsofWord.

Catalog

edit

option

Help

（50）theroleofDELETEinSQLis（B）.

insertrecord

Deleterecord

findrecord

Updaterecord

（51）theroleofFROMinSQLis（a）.

Specifiesthetableofqueries

Deleterecord

Grouping

Updaterecord

（52）ifarelationshipisR（studentnumber,name,gender,age）,then（a）canbeusedastheprimarykeyoftherelationship.

Studentnumber

Fullname

Gender

Age

（53）.（d）adesktopdatabasesystem.

Sybase

Oracle

DB2

Access

（54）multimediainformationdoesnotinclude（C）.

Audioandvideo

Animation,images

Soundcard,CD

Textandimage

（55）Huffman（Hoffman）encodingbelongsto（B）.

Lossycoding

Losslesscodingtechnique

Completecodingtechnique

Hybridcoding

（56）thedigitalprocessofsoundis（C）.

Quantization,sampling,encoding

Coding,quantization,sampling

Sampling,quantization,encoding

Sampling,encodingandquantizing

（57）.（b）notthePhotoshoplayermergemethod.

flattenimage

MergeDown

MergeVisible

AddLayerMask

（58）.（c）cannotbesetbyuserinFlash.

keyframe

Plainframe

Transitionframe

Nullkeyframe

（59）.（c）notthebasictypeofFlashanimation.

frame-by-frameanimation

Graphicsanimation

Three-dimensionalanimation

Motionanimation

（60）graphicsandimageshaveuniquevisualmeaningsinexpressinginformation.Thefollowingisnot（B）.

Capableofcarryingawealthofinformation

Abletocrosslanguagebarriersandpromotecommunication

Vividandintuitiveinformation

Dataiseasytostoreandprocess

（61）thefollowingistheformatofthevectorgraphicsfile（D）.

WMF

JPG

GIF

BMP

（62）.Whatteachershave10000piecesofresolutionof1024x768color（32bits）ofprecioushistoricalpicturesoftheSecondWorldWar,hewantedtosendthesepicturesandburnittodisc,eachdisccanstore600MBhypothesisinformation,whereteachersneedCD（C）.

100

50

200

75

（63）inacomputernetwork,acomputerthatusuallyprovidesandmanagessharedresourcesisknownasa.

Theserver

Workstation

gateway

bridge

（64）bothUDPandTCPare（d）layerprotocols.

Physics

datalink

network

transmission

（65）thefollowingisusedtomeasurethecapacityofcommunicationchannels（D）.

Agreement

IPaddress

datapacket

bandwidth

（66）routingistheprimaryfunctionofthe（d）layerintheOSImodel.

physicallayer

datalinklayer

transportlayer

networklayer

（67）hostdomainnameconsistsoffoursub