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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热门试题

多项选择题Which of the following drive connections uses a ribbon cable with a 40-pin connector?（）

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

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