单项选择题
A.A standard ATX power supply will not be able to connect to the NLX adapter.
B.The system will not start up.
C.The case is too small for the motherboard.
D.The motherboard was not meant for this style of case.
单项选择题 WheninstallinganewPlugandPlaysoundcard，atechnicianshouldturnoffandunplugthecomputer；removethecomputer’scover；locatethesoundcardslot，insertandsecurethecardintheslotand：（）
单项选择题 AtechnicianistroubleshootingaCD/DVDdrive.Thereisadiskinthedriveandthetraywonteject.WhichofthefollowingactionsshouldthetechniciantakeFIRST？（）
单项选择题 Atechnicianreceivesanewprinterforrepairandtheworkorderstatesthatwhenpoweredontheprintermakesaloudnoiseandwillnotprint.Whichofthefollowingactionsshouldthetechniciantake？（）