多项选择题

Which of the following are potential sources of EMI?（）

A. Strong magnets
B. Toaster ovens
C. Cordless phones
D. Flat panel TVs
E. AC power runs

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单项选择题
Which of the following memory modules uses a 240-pin connector?（）

A.DDR
B.SIMM
C.DDR2
D.RAMBUS
单项选择题
Which of the following ports is BEST to use when adding a network printer in Windows XP?（）

A.USB
B.COM5
C.LPT1
D.TCP/IP
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