单项选择题

Which of the following is a characteristic of a serial I/O port?（）

A. RJ-11 connector
B. DB-15 connector
C. DB-9 connector
D. RJ-45 connector

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多项选择题

A.SATA
B.IDE
C.PATA
D.FDD
E.SCSI

多项选择题

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

单项选择题

A.DDR
B.SIMM
C.DDR2
D.RAMBUS