definition
Universal Serial Bus (UniversalSerialBus, abbreviation: USB) is a kind of connecting computer system and external equipment, 串口总线标准and it is also a kind 输入输出接口的技术规范.
application
The USB interface is widely used in information communication products such as personal computers and mobile devices, and expanded to other related fields such as photographic equipment, digital TVs (set-top boxes), and game consoles.
classification
transfer speed
references
Think3Ran Official Account-USB Interface Type