单项选择题
A.Twenty-Five B.Forty C.Sixteen D.Seven
Which of the following computer ports supports hot swap...
单项选择题Which of the following computer ports supports hot swapping?（）
A.LPT B.USB C.COM D.PS/2
USB 2.0 supports a maximum data transfer speed of （）Mbp...
单项选择题USB 2.0 supports a maximum data transfer speed of （）Mbps.
A.12 B.80 C.480 D.10
The Serial ATA (SATA) cables can extend up to （）.A.10 m...
单项选择题The Serial ATA (SATA) cables can extend up to （）.
A.10 meters B.5 meters C.1 meter D.100 meters E.15 meters
