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Thisprovidesexamples,hintandbasicoutlineoftheexaminationofTESDAinComputerHardwareand
ServicingNCII
1. LISTOFTOOLSANDMATERIALS/INVENTORY(Written)
Followingareexamples
2. OCCUPATIONALHEALTHANDSAFETYPROCEDURE(Written)
Always
groundordischargeyourselfbeforetouchinganypartofthecomputer
Donotworkalonesothattheressomeonewhocantakecareofyouincaseofaccidentor
emergency.
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Becarefulwiththetoolsthatmaycauseshortcircuit
Alwaysfullthecableconnectoronthehandleandnotonthecableitself
Useonlyrubbershoeswhenstandingonthegroundorinaconcretefloor
Makesurethatthepinsareproperlyalignedwhenconnectingacableconnector.
Alwayspoweroffandunplugthecomputerbeforeworkingon it.
Takeawayanyliquidsuchasmineralwaterorsoftdrinksnearyourworkingareaornear
computers.
Contingencymeasuresduringworkplaceaccidents,fireandotheremergenciesare
recognized.
PersonalprotectiveequipmentiscorrectlyusedinaccordancewithorganizationOHS
proceduresandpractice.
Hazard/risksintheworkplaceandtheircorrespondingindicatorsareidentifiedtominimize
oreliminaterisktocoworkers,workplaceandenvironment.
Takenecessaryprecautionsto protect thecomponentof
thecomputerfromdamagedcause
by ElectrostaticDischarge(ESD).
HoldthecomponentsbyedgesanddonottouchtheICs.
Readandfollowinstructiononthemanualcarefully.
Donotuseexcessiveforceifthingsdontquiteslipintoplace.
3. ASEEMBLESYSTEMUNIT(Actual)
Properassemblingprocedure:
Preparethecomputercase(Installpowersupply,I/Oshieldandspacers)
Installdrives(DVD,FloppyandHDD)
InstalltheCPU,fan,heatsinkandmemorymoduleonthemotherboard
Installthemotherboardinto thecasingandexpansioncards
Installthecablings(Powerconnectors,FDDConnector,IDE/SATAConnector,USBheaders
andsystempanelheader).
Attachthemonitor,keyboard,mouseandplugintoapowersource.
Troubleshootifnecessary
Assembleandinstall networkconnection
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4. INSTALLOPERATINGSYSTEMS(OS
XP/2000/98,DualBoot),DEVICEDRIVERS,LANCABLE
(Actual)
Thetypeofoperatingsystemtobeinstalledmightchangeovertime.ForLANcablecolour
codingmemorizethepairingsbelow.
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5. CONFIGUREANDPRINT(Actual)
Clickonthe startmenu andclick ControlPanel
WhenthecontrolpanelwindowopensyouwillseeitemsineitherCategoryView(Continue
withstep#3)orClassicView(Skiptoitem#4)
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Findanddoubleclickonthe Networkand InternetConnection icon.
Next,findanddoubleclickontheNetworkandInternetConnectionicons.Awindowwill
openwithallnetworkconnectionsavailableonthecomputed(wiredandwireless)
Findthenetworkconnectionyouwanttomanuallyconfigure,rightclickonitandselect
Properties fromthepopupmenu
Intheconnectionpropertieswindow,underthesectionlabelledThisconnectionusedthe
followingitems: find
theInternetProtocol(TCP/IP)itemanddoubleclickit.
Anewwindowwillopen;selectthesecondradiobuttonwhichislabelledUsethefollowing
IPAddress.
EntertheappropriateIPAddress(192.168.0.1);subnetmaskusually255.255.255.0andthe
gateway(therouterortheproxyserveraddress).
Thenextpartofthewindowswillnow havearadiobuttonselected
whichislabelledUse
thefollowingDNSserveraddresses
Ifyouneedtoaccesstheinternet,entertheaddressprovidedbyyourISP;ifyoudonot
havethatinformationyoucanusetheOpenDNSserverIP(208.67.222.222and
208.67.220.220).
Afterenteringtherequiredinformation,clicktheOKbuttontwiceandclosethecontrol
panelwindow.
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CHANGINGWORKGROUPANDCOMPUTERNAME:
Start>Settings>ControlPanel>System>ComputerNametab>Change
Tab>Typenew ComputerNameandWorkgroup>OK,OK,OK,restart
INSTALLINGNETWORKPRINTER
Start>Settings>ControlPanel>PrinterandFaxes>AddPrinter(Printer
Tasks)>AddPrinterWizard>Next>SelectAnetworkprinter,or.>
Next>
BrowsePrinter>Next>SelectInstalledNetworkPrinter>Next>Yes
>Finish!
Note:Turnofyourfirewallbeforeinstallingprinter
FILE/FOLDERSHARING
Rightclickfoldertoshare>Properties>SharingTab>
NetworkSharingand
Security(ClickIfyouunderstandtheSecurityRisk)>JustEnableSharing
>OK>Selectsharethisfolderonthenetwork>OK
SHARINGPRINTER
Start>Settings>ControlPanel>PrinterandFaxes>RightClickInstalled
Printer>Sharing>Sharethisprinter>OK
6. QUESTIONING/INTERVIEW(Oral)
Mostofthequestionswillbeontroubleshootingbutanythingaroundthesubjectmatter
canbeasked.YoualsoneedtomasterthepartsofthecomputerparticularlyoftheMain
CircuitBoardortheMotherBoardandtheirspecificfunctionsandcablecolourcoding.
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CentralProcessingUnit (CPU)
Interpretandcarriesoutbasicinstructionsthatoperate
acomputer
HeatSink Componentswithfinsthatcoolsprocessor
RandomAccessMemory(RAM)
Memorychipsthatcanbereadfromandwrittento
byprocessor.Alsocalledmainmemoryorprimarystorage,mostRAMisvolatile;
informationinsideitislostwhencomputerspoweristurnedoff.
ReadOnlyMemory(ROM)
Memorychipsthatstorepermanentdataandinstructions.
Nonvolatilememory,informationinROMisnotlostwhenthecomputerpowerisoff.
BasicInputOutputSystem(BIOS)
Thefirstprogramtorunwhenyouturnonyour
computer.ItisstoredinROMchipon themotherboard.
ComplementaryMetalOxideSemiconductor Stores date,timeand
computerstartup
information.Maintainbyasmallbatteryafteryouturnthecomputeroff.
AdapterCard
Enhancessystemunitorprovidesconnectionstoexternaldevices called
peripherals;alsocalledexpansioncard.
ExpansionSlot
Anopeningorsocketonthemotherboardthatcanholdadaptercard.
Port Connectsexternaldevicestosystemunit
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Connector Joinscabletoperipheral
OTHERUSEFUL INFORMATION
BASICTROUBLESHOOTING
Beepcodetroubleshooting
ComponentIsolation
RAMIsolation
EquipmentIsolation
5S
Sort
Clearlydistinguishneededitemsfromunneededandeliminatethelatter.
Straighten Keepneededitemsinthecorrectplacetoallowforeasyand
immediateretrieval
Shine Keeptheworkplaceneatandclean
Standardize
Themethodbywhichsort,straighten,shinearemadehabitual.
Sustain Maintainestablishedprocedures
Acronyms
ATX AdvanceTechnologyExtended
SDRAM SynchronousDynamicRandom AccessMemory
DRAM DynamicRandomAccessMemory
EDORAM ExtendedDataOutputRandomAccessMemory
SIMM SingleInline MemoryModule
DIMM DoubleInlineMemoryModule
RIMM RambusInlineMemoryModule
USB UniversalSerialBus
IEEE Instituteof ElectricalandElectronicsEngineer
ISA IndustryStandardArchitecture
PCI PeripheralComponentInterconnect
EISA ExtendedIndustryStandardArchitecture
VESA VideoElectronicsStandardAssociation
IDE IntegratedDriveElectronics
SCSI SmallComputerSystemInterface
DDR DoubleDataRate
UDMA UltraDirectMemoryAccess
10S
SORT
SANITIZE
SWEEP
SYSTEMATIZE
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SELDDESCIPLINE
SUSTAIN
SAFETY
SEPARATE
STANDARD
SAVETHEENVIRONMENT
POSIBLEORALQUESTIONS
Q YouhavejustinstalledWindows98.
Duringthetesting,itfailstostartafter theStartingWindows
98messageappears.Whatshouldyoudototroubleshootthisproblem?Nameatleasttwoways.
A
TypeWin/d:matthecommandprompttostartwindows,orpressF8whenwindowsrestartingand
selectsafemode.
Q
YouhaveconfiguredadualbootsystemconsistingWindows98inFAT32partitionandWindows
2000usingNTFSpartition.YoucheckyourWindows2000installationanditlookedgood.However,
whenyouboottoWindows98youcantsee
thefilesintheNTFSpartition.Whatmightbethesourceof
theproblem?
A Windows98isnotcompatiblewithNTFS
Q
YousuccessfullyinstallWindows2000Professionalandyouwanttocheckyourdrivesforerrors.
Nameonewayofcheckingforerrors
A
Opencontrolpanel,clickadministertool,clickcomputermanagementandwithinthestoragetab
clickdiskdefragmenter
Q
YouwanttosetupadualbootscenariobetweenWindows98andWindows2000.Howwouldyou
dothis?
A
Partitionyourharddrive.InstallWindows98firstandtheninstallWindows2000tothesecond
partition.
Q
Acustomercomplainsthathisharddiskismakinglotsofnoise.Afterexaminingthecomputerand
hearingthenoiseforyourself,younoticethathighpitchnoiseseems
tobecomingfromthefaninthe
powersupply.Whichcomponentshouldbereplaced?
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A PowerSupply
Q
WhatpartofHPLaserprinterismalfunctionifyoureceivea50serviceerror?
A FUSER
Q
Acustomercomplainsthathecantgethiscomputertowork.Whenheturniton,thereisnovideo
andhearsaseriesofbeeps.Thebeepsareinthesequenceofonelongbeep,thentwoshortbeeps.You
tellthecustomertobringthemachinein.Uponfurtherexaminationyouareabletoidentifythe
problem.Whatshouldbeyournextstep?Whatistheerror?
A Replacethevideocardandmakesureitistighten.
Q Whatisindicatedbya201erroratsystemstartup?
A
Badmemory.Mostoftheerrorbeginswith2indicatememoryerrorofsomesort.
Q WhattwocommandfilesareusedbyDOStoconfigurethecomputer?
A Autoexec.batandConfig.sys
Q
Youinstallanewlypurchasesoundcardintoyourcomputer,butuponrebootingyoufindthatthe
new
deviceisnotrecognizedbythesystem.Moreover,yourmodem,whichhasalwaysworked
perfectly,hasstoppedfunctioning.Whatisprobablytheproblem?
A ThesoundcardisusingthesameIRQasthemodem.
Q Whatisthecorrectwaytousetheprotocol
utilityIPCONFIGinaWindows2000environment?
A Choosestart,clickrunandtype cmd
thenpressenterkey.AtthecommandprompttypeIPCONFIG
Q
TransmissionControlProtocol/InternetProtocol(TCP/IP)isacollectionofprotocolsthathelp
managetheinternetcommunication.EachcomputerrunningTCP/IPmusthaveauniqueIPaddress
assignedtoit.WhatisanIPaddress?Describetheformat?
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A AnIPaddressissetoffournumbers,eachofwhichmustbefrom0to255.
Q WhatisthecorrectsequencetostartWindows2000backupprogram?
A
Choosestart>Programs>ThenAccessories>ThenSystemTools>ThenBackup.
Q
Youvesetupanetworkwherebyeachcomputeractasaclientandaserverandinwhicheachuser
shareseachothersresources,
includingprinters.Whatisthecorrecttermforsucharrangement?
A Peertopeernetworking
Q
Sendingandreceivingelectronicmail(email)isacommonbenefitoftheinternet.Assumingauser
hasaccesstotheinternetonaproperlyconfigurePC.Whatisneededbeforeausercanbeginusinge
mail?
A EmailaccountandemailclientsuchasMicrosoftOutlook
Q
WhatisthenameoftheexecutablefileforMicrosoftBackupFORdos?ForWindows3.x?
A MSBACKUP.EXE
Q Whatwouldyoutypeata
DOScommandlinetostarttheMicrosoftAntiVirus?
A TypeMSAVatthecommandprompt.
Q Whatprograminthecontrolpanelcanbeusedtocreateastartupdisk?
A Add/RemovePrograms
Q WhatisthefinaloptionintheConfigureScreenmenu?
A Compatibilitytest
Q TheMSBACKUPPrograminDOSreceivesitssettingsfromwhatfile?
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A SETfile
Q
WhichWindowsNT4.0utilityshouldyouuseafterinstallinganewharddrivetomakeusable?
A DiskAdministrator
Q
WhichisthepropercommandtoinstallWindows2000recoveryconsoleasastartupoptioninthe
CDRomindriveE?
A E:\i386\winnt32.exe/cmdcons
Q DuringtheWindows2000setup,youareasked
tochoosebetweenNTFSfilesystemandtheFATfile
system.CanyousitedisadvantageonNTFS?
A
NTFSismoresophisticatedfilesystemhoweveritisnotcompatiblewithDOS.
Q
AfterthesuccessfulupgradingtoWindows2000,whatshouldyoudowiththetemporaryfiles
generatedduringthesetupprocess?
A
Nothing.Becauseallgeneratedtemporaryfilesareautomaticallyremoveduringtheprocess.
Q
YouarepreparingthecomputerfordualbootingbetweenWindows98and2000.Yourdriveis
partitioned,andWindows98isalreadyinstalled.Whatshouldbeyournextstep?
A Youmust chooseFATforWindows2000partition
Q WhichofthefollowingisnottheWindows2000keyBootfile?Why?
A Autoexec.bat
ThisisthekeybootforWindows3.1and9xarenotnecessaryforWindows2000
Q Whatisthemostlikelycauseofapaper jamonadotmatrixprinter?
A Obstructedpaperpath
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Q
HPprinterlaserjetIIIprinterisnotprintingatall.ThecomputerindicatesthatthedeviceonLPT1is
notready.Youperformaserviceselftesttotheprinteranditprintsonthepageof
verticallines with
noproblem.Thefrontpanelselftestdoesnotwork,howeverwhichcomponentdoyoususpectisgiving
youtheproblem?
A TheFormatter
Q
Acomputerisexperiencingrandomrebootsandphantomproblemsthatdisappearafterreboot.
Whatshouldyoudo?
A Openthecoverandresetallcardsandchips
Q
UsingeitheraWindows9XorWindows2000workstation,whatcomponentsdoyouneedto
connecttoaMicrosoftnetworkserver?
A Protocol,clientandadapter
Q
YouareenablefileandprintersharingonyourWindows9Xsystem.Youmustnowspecifyhow
securitywillbehandled.Whatcouldbetheoptions?
A SharelevelAccessControlandUserlevelcontrol
Q
AWindows9xworkstationincludesdefaultsupportforwhatnetworkOS/clienttypes?
A
MSWindowsNetworkingandNovellsNetwarewithinaWindows9xworkstation,clientsare
providedforMicrosoftandNovellNetwork
Q
WhatisthethirdelementrequiredtoconfigureaWindows2000systemasanetworkclient?A
client,anadapter,and ___?
A Protocol
Q
Whatwouldyouneedtodotocreateanewdialupnetworking(DUN)connectionwithinaWindows
9xsystem?
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A
ChooseStart>Programs>Accessories,thenchooseandclickDialupnetworkingthendoubleclick
Makenew
connectionordoubleclickMycomputericononthedesktopthenclickdialup
networking.
Q
WhatwouldyouusetomapanetworkdriveinbothWindows9xandWindows2000?
A Mapnetworkdrive
Q Whattypeofbackupinvolvesselectingthefilesyou
wanttobackupaswellaswhenyouwantthem
tobackup?
A CustomBackup
Q
Thereareseveralpiecesofbackuphardwarethatarecurrentlyavailable.Ofthefollowing,whichis
notvalidbackuphardware?
A Stationaryharddisk
Q
Whichtypeofbackupthatbackupfilesonadiskthathaschangedsincethelastfullbackup?
A Differentialbackup