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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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.