单项选择题

Which of the following features are available in Windows 7 Professional beyond those available in Windows 7 Home Premium?（）

A. HomeGroup
B. Windows XP Mode
C. Aero Desktop
D. Internet Explorer 8

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单项选择题

A user states that they unplugged their mouse to clean the roller ball, but after plugging it back in the mouse no longer functions. Which of the following is the MOST likely cause of this issue?（）

A. The mouse has a PS/2 connector which is not hot-swappable.
B. The mouse roller ball is now too smooth to gain traction.
C. The mouse was broken before the user unplugged to clean it.
D. The mouse has a USB connector that is not getting enough power.

单项选择题

Which of the following utilities would be used to configure energy saving measures when a laptop switches to battery power?（）

A.MSTSC
B.ACPI
C.GDI
D.MSCONFIG

单项选择题

On a Windows XP machine, which of the following settings should be configured to allow draggingof files without holding the mouse button?（）

A. ScrollLock
B. StickyKeys
C. MouseKeys
D. ClickLock