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

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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

When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）

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

Which of the following has to be installed on a laptop in order to use a compact flash storage device？（）

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