Unit2Lab1.docx
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Unit2Lab1.docx
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Unit2Lab1
Quiz4
1.Whatisanareainthecomputersystemunitthattemporarilyholdsdatabeforeandafteritisprocesseduntilthecomputeristurnedoff?
(a)RAM
(b)Harddiskdrive
(c)ROM
(d)CMOS
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2.Ofthefollowingtypesofmemory,whichisleastexpensive?
(a)DRAM(b)Register
(c)L2Cache(d)L1Cache
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3.Whichofthefollowingcanbeanadvantageofbuyingacomputerthatcontainsawidely-usedCPUoritsequivalentclone?
I.AlotofestablishedcomputersuppliersprovideproductsusingthattypeofCPU.
II.ThecostoftheCPUislikelytobelowerbecauseofthelargequantitiesoftheCPUthathavebeensold.
III.TherewillbemoreoperatingsystemsthatworkwiththattypeofCPU.
(a)IIandIIIonly(b)IandIIIonly
(c)IandIIonly(d)I,II,andIII
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4.CPUperformanceisinfluencedbywhichofthefollowing?
I.Wordsize
II.Clockrate
III.Instructionsetsize
(a)IIonly
(b)I,II,andIII
(c)IandIIIonly
(d)IandIIonly
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5.Whichofthefollowingis(are)trueofmodernmicroprocessors?
I.Microprocessorchipsaretypicallythesizeofadeckofcards.
II.Microprocessorstypicallycontainmillionsoftransistors.
(a)IIonly(b)None
(c)IandII(d)Ionly
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6.WhichofthefollowingistheprimaryfunctionofaCPU?
(a)Toexecuteonlytheoperatingsystem'sinstructions
(b)Toexecuteonlytheinstructionswithinauserspecifiedapplication
(c)Toexecuteanyprogram'sinstructionsstoredinRAM
(d)Todetermineifaprogramfunctionscorrectlybeforeusingit
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7.Whichofthefollowingcomponentsis(are)typicallyfoundonthemotherboardofacomputer?
I.Expansionslots
II.Themicroprocessor
III.TheCMOSmemorychip
(a)IIonly(b)I,II,andIII
(c)IandIIIonly(d)IandIIonly
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8.Acomputerclockwithaspeedof100MHzcycleshowmanytimespersecond?
(a)100(b)100,000
(c)100,000,000(d)1,000
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9.WhichofthefollowingmanufacturersprovidesthePentiumfamilyofprocessorsfordesktopcomputers?
(a)AMD(b)Intel
(c)IBM(d)Cyrix
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10.AnArithmetic/LogicUnittypicallyperformswhichofthefollowingoperations?
I.RetrievalofinstructionsfromRAM
II.Performanceofgreater-thanandless-thancomparisons
(a)IIonly(b)IandII
(c)None(d)Ionly
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11.Inordertoretaindataforfuturereference,volatilestoragerequires
(a)aconstantsourceofelectricalpower
(b)theuseofmagnetism
(c)theuseofopticalmedia
(d)mediathatcanberemovedfromthecomputer
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12.Whichofthefollowingmemorytypesholdsdatabutrequiresverylittlepowertoretainitscontents?
(a)RAM(b)RDRAM
(c)Virtualmemory(d)CMOS
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13.ConsiderComputerA,whichusesa1.2-GHzCPU,andComputerB,whichusesa1-GHzCPU.ForanygivenprogramP,whichofthefollowingistrue?
(a)ProgramPrunsfasteronComputerAthanitdoesoncomputerB.
(b)IttakesthesameamountoftimeforprogramPtorunoncomputerAasitdoesoncomputerB.
(c)ProgramPrunsfasteronComputerBthanitdoesoncomputerA.
(d)ItcannotbedeterminedwhetherprogramPwillrunfasteroncomputerAoroncomputerBwithoutknowingmoreaboutprogramP.
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14.Whereisacomputer'sCPUlocated?
(a)Onthemotherboard
(b)Onaharddiskdrive
(c)Onanexpansioncard
(d)Onafloppydiskdrive
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15.Whichofthefollowingis(are)trueofROM?
I.ROMisvolatile.
II.TheinstructionsneededtobootacomputeraretypicallystoredinROM.
(a)Ionly(b)None
(c)IandII(d)IIonly
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16.WhichofthefollowingkindsofprojectstypicallyrequiresaspecialtypeofCPUthatwouldnotbefoundinadesktopormainframecomputer?
(a)Performingbusinesscalculationsforafinancialreport
(b)Monitoringtheoperationofanautomobileengine
(c)Lookingupandstoringinformationoncustomeraccounts
(d)Processingrequeststosendandreceiveemail
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17.Whichofthefollowingtypesofmemorytypicallyholdscomputerconfigurationsettingsandispoweredbyasmallbattery?
(a)Cache(b)Flash
(c)ROM(d)CMOS
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18.ThelistofinstructionsthataCPUisabletoexecuteisknownasits
(a)opcodes(b)instructionset
(c)operands(d)glossary
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Quiz5
1.Whichofthefollowingcomponentsis(are)foundonanacceleratedgraphicscard?
I.Aprocessor
II.Videomemory
III.EIDE
(a)IandIIonly
(b)IIandIIIonly
(c)I,II,andIII
(d)IandIIIonly
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2.OneadvantageofanLCDmonitoris
(a)lowprice
(b)brightness
(c)increasedradiationemission
(d)compactness
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3.Whichofthefollowingis(are)trueofUSBcomputerconnections?
I.AUSBhubcansupportupto127devices.
II.Typically,USBdevicescanbeconnectedwithoutrestartingthecomputer.
(a)None(b)Ionly
(c)IandII(d)IIonly
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4.Amonitorisprimarilywhichkindofdevice?
(a)Amemorydevice
(b)Aninputdevice
(c)Astoragedevice
(d)Anoutputdevice
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5.Ethernetcardsareusedtoprovideacomputeraconnectiontowhichofthefollowing?
(a)Highspeedinput/outputdevices
(b)Localareanetworks
(c)Largecapacitystoragedevices
(d)Anothercomputerviathetelephonelines
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6.Inputdevicesforacomputerincludewhichofthefollowing?
I.Digitalcameras
II.Scanners
III.Speakers
(a)IandIIonly
(b)I,II,andIII
(c)IIIonly
(d)IandIIIonly
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7.Whichofthefollowingtechnologiesusesagun-likemechanismtospraythescreenwithdotsofcolor?
(a)Pitch(b)CRT
(c)LCD(d)VIS
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8.Computeroutputdevicesincludewhichofthefollowing?
I.Projector
II.Microphone
III.Printer
(a)I,II,andIII
(b)IandIIonly
(c)IIandIIIonly
(d)IandIIIonly
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9.WhichofthefollowingaretrueofUniversalSerialBus(USB)?
I.AlargenumberofdevicescanpotentiallybeinterconnectedusingtheUSB.
II.Itisusedwithmanytypesofdevicesfortransferringlargeamountsofdata.
III.Itsupportsexistingserial-andparallel-portdevices.
(a)IIandIIIonly
(b)IandIIonly
(c)I,II,andIII
(d)IandIIIonly
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10.Adesktopcomputerexpansionslotthatisprimarilyusedforgraphicscardsisthe_____slot.
(a)PCI(b)ISA
(c)PCMCIA(d)AGP
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11.Whichofthefollowingareprimarilyinputdevices?
I.Mouse
II.Scanner
III.Printer
(a)I,II,andIII
(b)IandIIIonly
(c)IIandIIIonly
(d)IandIIonly
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12.Aparallelportcanbeusedtoconnectacomputertoa
(a)keyboard(b)monitor
(c)mouse(d)printer
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13.Whichofthefollowingdevicesisinvolvedinbothfrequentandlargedatatransfers?
(a)Scanner(b)Printer
(c)Monitor(d)Keyboard
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14.Whichofthefollowingareimportantconsiderationswhenpurchasingamonitor?
I.Thenumberofresolutionmodessupported
II.Thedifferentlevelsofcolordepthsupported
III.Thesizeoftheviewingareathatcanbeprojected
(a)IandIIonly
(b)I,II,andIII
(c)IandIIIonly
(d)IIandIIIonly
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15.Whichofthefollowingisnottruewhencomparingink-jetprinterswithlaserprinters?
(a)Ink-jetandlaserprintershaveasimilarcostperprintedpagewhenprintinglargequantitiesofpages.
(b)Bothink-jetandlaserp
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