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Popularization of USB devices

With the proliferation of various digital devices, especially the popularity of MP3s and digital cameras, the number of USB devices around us has gradually increased. However, although these devices all use USB interfaces, the data lines of these devices are not complete. The same. These data lines are the same at the end of the connection to the PC, but when connecting to the device side, a variety of different interfaces are usually used for volume considerations.
Most of the connectors for digital products are connected to the PC, and the other one is also in accordance with standard specifications.
USB is a unified transmission specification, but there are many kinds of interfaces. The most common one is the flat type used on our computer. This is called A-type port. There are 4 wires in it. The female interface is usually a male port on the line and a female port on the machine.
With the rapid development of computer hardware and the increasing number of peripheral devices, keyboards, mice, modems, printers, and scanners have long been known. Digital cameras and MP3 players are coming to the fore. How many devices are connected to personal computers? USB is generated for this purpose. USB is an interface that standardizes and simplifies the connection of computer peripheral devices. Its specifications are from Intel Intel, NEC Japan Electric Co., Ltd., Compaq Compaq, DEC American Digital Equipment Corporation, IBM International Business Machines Corporation, Microsoft Microsoft, and Northern Telecom North. Telecommunications companies jointly developed.

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