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

A.10 meters
B.5 meters
C.1 meter
D.100 meters
E.15 meters

单项选择题

A. Dual Visual Interface
B. Display Vertical Interface
C. Digital Visual Interface
D. Digital Vision Interchange

单项选择题

A. Frontlight
B. Backup Power
C. Cathode ray tube
D. Backlight