单项选择题
A. the previous refresh rate and the new refresh rate applied.
B. the method that was used to access the display properties to change the refresh rate.
C. all the refresh rates that were tested
D. the color resolution the user requested as well as the refresh rate.
单项选择题 Which of the following is the maximum FAT32 volume size Windows 2000 and XP will recognize?（）
单项选择题 Which of the following interfaces are typically supported on the input side of a KVM switch?（）
单项选择题 A technician is replacing fifteen 21 CRTs with 19 LCDs. The storage room is on the other side of the building. Which of the following safety measures should the technician take?（）