多项选择题
Which of the following are primary differences between a laptop and a desktop CPU？（）
A.heat production B.L2 Cache C.clock speed D.front side bus E.power consumption
单项选择题 Whichofthefollowingareconsideredplugandplaytechnologiesinalaptop？（）
单项选择题 Whenauseristypingonalaptopthecursorsometimesmovesonitsown.WhichofthefollowingisMOSTlikelythecause？（）
单项选择题 Whichofthefollowinghastobeinstalledonalaptopinordertouseacompactflashstoragedevice？（）
