单项选择题
A. The device needs a firmware update
B. The device needs an updated driver installed
C. The plugged in device is too slow for the USB port speed
D. The device is incompatible with the installed version of Windows
不定项选择 A customer reports that a networked printer is not printing documents. The technician successfullypings the printer’s IP address. Which of the following could be the problem? (Select TWO).（）
单项选择题 Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?（）
单项选择题 Which of the following is a common location of the CMOS battery in a laptop?（）