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

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单项选择题

Whenauseristypingonalaptopthecursorsometimesmovesonitsown.WhichofthefollowingisMOSTlikelythecause？（）

A.The keyboard driver needs to be updated.
B.There are conflicting serial ports.
C.The mouse driver needs to be updated.
D.The user is brushing the touch pad while typing.

单项选择题

Whichofthefollowinghastobeinstalledonalaptopinordertouseacompactflashstoragedevice？（）

A.a multi-media card reader
B.USB 2.0 drivers
C.USB 1.1 drivers
D.an enhanced 1.44 floppy drive