单项选择题
Which of the following are considered plug and play technologies in a laptop？（）
A.SATA B.RAID C.USB D.EIDE
单项选择题 Whenauseristypingonalaptopthecursorsometimesmovesonitsown.WhichofthefollowingisMOSTlikelythecause？（）
单项选择题 Whichofthefollowinghastobeinstalledonalaptopinordertouseacompactflashstoragedevice？（）
