单项选择题
A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）
A.print head
B.fuser
C.injector
D.print nozzle
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相关考题
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多项选择题
Whichofthefollowingisatypeofmotherboard？（）
A.PCI daughter board
B.IDE controller board
C.SATA controller board
D.micro ATX
E.standard ATX -
单项选择题
Whichofthefollowingwouldbethecorrectwaytodisposeofalaptopbattery？（）
A.Place the battery on a shelf for storage.
B.Place the battery in a trash compactor separately from the laptop.
C.Dispose of the battery in the same manner as the laptop.
D.Refer to the disposal information located on the battery. -
单项选择题
Acomputerhasbeenupgradedwithanewharddriveandafterreassemblingthecomputerandturningthecomputeron，thedriveLEDremainslitandanerrormessageduringpower-onselftest（POST）states，’NoDrivePresent.’WhichofthefollowingwouldMOSTlikelybethecause？（）
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.
