单项选择题
A. Docking station toggle switches
B. FN keys
C. Remotes
D. Up/down arrows
单项选择题 Which of the following parts of a laptop screen provides illumination for the LCD?（）
单项选择题 A workstation would MOST likely be connected to an office network using which of the followingcable types?（）
单项选择题 Which of the following memory types is MOST commonly found in Pentium 4 class and newerdesktop PCs?（）