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

Which of the following is a type of motherboard？（）

A.PCI daughter board
B.IDE controller board
C.SATA controller board
D.micro ATX
E.standard ATX

单项选择题

Which of the following would be the correct way to dispose of a laptop battery？（）

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

A computer has been upgraded with a new hard drive and after reassembling the computer and turning the computer on， the drive LED remains lit and an error message during power-on self test （POST） states， ’No Drive Present.’ Which of the following would MOST likely be the cause？（）

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.