Unit2Lab1Word下载.docx

Unit2Lab1Word下载.docx

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III.TherewillbemoreoperatingsystemsthatworkwiththattypeofCPU.

（a）IIandIIIonly（b）IandIIIonly

（c）IandIIonly（d）I,II,andIII

4.CPUperformanceisinfluencedbywhichofthefollowing?

I.Wordsize

II.Clockrate

III.Instructionsetsize

（a）IIonly

（b）I,II,andIII

（c）IandIIIonly

（d）IandIIonly

5.Whichofthefollowingis（are）trueofmodernmicroprocessors?

I.Microprocessorchipsaretypicallythesizeofadeckofcards.

II.Microprocessorstypicallycontainmillionsoftransistors.

（a）IIonly（b）None

（c）IandII（d）Ionly

6.WhichofthefollowingistheprimaryfunctionofaCPU?

（a）Toexecuteonlytheoperatingsystem'

sinstructions

（b）Toexecuteonlytheinstructionswithinauserspecifiedapplication

（c）Toexecuteanyprogram'

sinstructionsstoredinRAM

（d）Todetermineifaprogramfunctionscorrectlybeforeusingit

7.Whichofthefollowingcomponentsis（are）typicallyfoundonthemotherboardofacomputer?

I.Expansionslots

II.Themicroprocessor

III.TheCMOSmemorychip

（a）IIonly（b）I,II,andIII

（c）IandIIIonly（d）IandIIonly

8.Acomputerclockwithaspeedof100MHzcycleshowmanytimespersecond?

（a）100（b）100,000

（c）100,000,000（d）1,000

9.WhichofthefollowingmanufacturersprovidesthePentiumfamilyofprocessorsfordesktopcomputers?

（a）AMD（b）Intel

（c）IBM（d）Cyrix

10.AnArithmetic/LogicUnittypicallyperformswhichofthefollowingoperations?

I.RetrievalofinstructionsfromRAM

II.Performanceofgreater-thanandless-thancomparisons

（a）IIonly（b）IandII

（c）None（d）Ionly

11.Inordertoretaindataforfuturereference,volatilestoragerequires

（a）aconstantsourceofelectricalpower

（b）theuseofmagnetism

（c）theuseofopticalmedia

（d）mediathatcanberemovedfromthecomputer

12.Whichofthefollowingmemorytypesholdsdatabutrequiresverylittlepowertoretainitscontents?

（a）RAM（b）RDRAM

（c）Virtualmemory（d）CMOS

13.ConsiderComputerA,whichusesa1.2-GHzCPU,andComputerB,whichusesa1-GHzCPU.ForanygivenprogramP,whichofthefollowingistrue?

（a）ProgramPrunsfasteronComputerAthanitdoesoncomputerB.

（b）IttakesthesameamountoftimeforprogramPtorunoncomputerAasitdoesoncomputerB.

（c）ProgramPrunsfasteronComputerBthanitdoesoncomputerA.

（d）ItcannotbedeterminedwhetherprogramPwillrunfasteroncomputerAoroncomputerBwithoutknowingmoreaboutprogramP.

14.Whereisacomputer'

sCPUlocated?

（a）Onthemotherboard

（b）Onaharddiskdrive

（c）Onanexpansioncard

（d）Onafloppydiskdrive

15.Whichofthefollowingis（are）trueofROM?

I.ROMisvolatile.

II.TheinstructionsneededtobootacomputeraretypicallystoredinROM.

（a）Ionly（b）None

（c）IandII（d）IIonly

16.WhichofthefollowingkindsofprojectstypicallyrequiresaspecialtypeofCPUthatwouldnotbefoundinadesktopormainframecomputer?

（a）Performingbusinesscalculationsforafinancialreport

（b）Monitoringtheoperationofanautomobileengine

（c）Lookingupandstoringinformationoncustomeraccounts

（d）Processingrequeststosendandreceiveemail

17.Whichofthefollowingtypesofmemorytypicallyholdscomputerconfigurationsettingsandispoweredbyasmallbattery?

（a）Cache（b）Flash

（c）ROM（d）CMOS

18.ThelistofinstructionsthataCPUisabletoexecuteisknownasits

（a）opcodes（b）instructionset

（c）operands（d）glossary

Quiz5

1.Whichofthefollowingcomponentsis（are）foundonanacceleratedgraphicscard?

I.Aprocessor

II.Videomemory

III.EIDE

（a）IandIIonly

（b）IIandIIIonly

（c）I,II,andIII

（d）IandIIIonly

2.OneadvantageofanLCDmonitoris

（a）lowprice

（b）brightness

（c）increasedradiationemission

（d）compactness

3.Whichofthefollowingis（are）trueofUSBcomputerconnections?

I.AUSBhubcansupportupto127devices.

II.Typically,USBdevicescanbeconnectedwithoutrestartingthecomputer.

（a）None（b）Ionly

4.Amonitorisprimarilywhichkindofdevice?

（a）Amemorydevice

（b）Aninputdevice

（c）Astoragedevice

（d）Anoutputdevice

5.Ethernetcardsareusedtoprovideacomputeraconnectiontowhichofthefollowing?

（a）Highspeedinput/outputdevices

（b）Localareanetworks

（c）Largecapacitystoragedevices

（d）Anothercomputerviathetelephonelines

6.Inputdevicesforacomputerincludewhichofthefollowing?

I.Digitalcameras

II.Scanners

III.Speakers

（c）IIIonly

7.Whichofthefollowingtechnologiesusesagun-likemechanismtospraythescreenwithdotsofcolor?

（a）Pitch（b）CRT

（c）LCD（d）VIS

8.Computeroutputdevicesincludewhichofthefollowing?

I.Projector

II.Microphone

III.Printer

（a）I,II,andIII

（b）IandIIonly

（c）IIandIIIonly

9.WhichofthefollowingaretrueofUniversalSerialBus（USB）?

I.AlargenumberofdevicescanpotentiallybeinterconnectedusingtheUSB.

II.Itisusedwithmanytypesofdevicesfortransferringlargeamountsofdata.

III.Itsupportsexistingserial-andparallel-portdevices.

（a）IIandIIIonly

10.Adesktopcomputerexpansionslotthatisprimarilyusedforgraphicscardsisthe_____slot.

（a）PCI（b）ISA

（c）PCMCIA（d）AGP

11.Whichofthefollowingareprimarilyinputdevices?

I.Mouse

II.Scanner

（b）IandIIIonly

12.Aparallelportcanbeusedtoconnectacomputertoa

（a）keyboard（b）monitor

（c）mouse（d）printer

13.Whichofthefollowingdevicesisinvolvedinbothfrequentandlargedatatransfers?

（a）Scanner（b）Printer

（c）Monitor（d）Keyboard

14.Whichofthefollowingareimportantconsiderationswhenpurchasingamonitor?

I.Thenumberofresolutionmodessupported

II.Thedifferentlevelsofcolordepthsupported

III.Thesizeoftheviewingareathatcanbeprojected

（d）IIandIIIonly

15.Whichofthefollowingisnottruewhencomparingink-jetprinterswithlaserprinters?

（a）Ink-jetandlaserprintershaveasimilarcostperprintedpagewhenprintinglargequantitiesofpages.

（b）Bothink-jetandlaserp