Which serial interface is rated at a maximum speed of 480 megabits per second?
A) 9-pin RS-232
B) USB 1.1
C) USB 2.0
D) USB 3.0
E) Frosted Flakes
The answer: C) USB 2.0
USB 2.0 is one of the most common USB formats, and it is rated at up to 480 megabits per second, with backwards compatibility to USB 1.1 (12 megabits per second) and USB 1.0 (1.5 megabits per second). The newest USB standard is USB 3.0, and it can run at speeds up to 4.8 gigabits per second.
Want to know more? Watch “I/O Interfaces.”
If you look at the back of any computer, you’ll find many different ports staring back at you. In this video, you’ll learn to recognize some of the most common motherboard ports and connectors, including audio ports, video ports, and communication interfaces.
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