单项选择题 You install Microsoft Windows Vista on a new computer. The computer has the following hardware configuration: 2.4-GHz processor 2 GB of RAM 512-MB video adapter 250-GB hard disk. You are unable to view the following features of Windows Vista: Thumbnails Previews on folders Transparent glass. You need to be able to view the advanced visual features of Windows Vista. What should you do?（）

单项选择题 Your computer is unable to support some display features of Microsoft Windows Aero. You need to check the graphics component rating of the computer. Which Control Panel option should you use?（）

单项选择题 You install a TV tuner card on your computer. You need to record two different TV shows that runon two different channels at the same time. What should you do?（）