单项选择题
USB 2.0 supports a maximum data transfer speed of （）Mbps.
A.12
B.80
C.480
D.10
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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 -
单项选择题
What does DVI stand for?（）
A. Dual Visual Interface
B. Display Vertical Interface
C. Digital Visual Interface
D. Digital Vision Interchange -
单项选择题
（）is a technique used for illumination behind the liquid crystal display that makes LCDs easier to read.
A. Frontlight
B. Backup Power
C. Cathode ray tube
D. Backlight
