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

Whichofthefollowingareconsideredplugandplaytechnologiesinalaptop？（）

A.SATA
B.RAID
C.USB
D.EIDE

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.