单项选择题
A.The motherboard was damaged and needs replacing.
B.The floppy drive was not reconnected.
C.A configuration disk was left in the floppy drive.
D.The ribbon cable has been installed incorrectly.
单项选择题 Whichofthefollowingitemcolorizesthepaperusingatwo-componentlaserprinter?()
单项选择题 Whenexperiencingvideoproblems,whichofthefollowingshouldbeperformedFIRSTtoensurethatthemonitorisnotcausingtheproblem?()
单项选择题 WhenrebootingacomputerrunningWindowsXPHome,atechnicianobservesanerrormessagestating,“illegalI/Oportaddress.”Whichofthefollowingcanbedonetoresolvethiserror?()