Wed Dec 15 16:42:50 CST 2021
The USB data cable is used for the connection and communication between the computer and the external device, and can also be used for the charging of the mobile phone and the connection with the outside. In layman's terms, it is used to transfer data and charge.
USB is the most widely used external bus standard in the PC field. It is used to regulate the connection and communication between computers and external devices. The USB interface supports plug-and-play and hot-swappable functions of the device. With the rapid development of computer hardware, the application of USB has increased the speed of data transfer between external devices. The greatest benefit of the increase in speed for users is that users can use more efficient external devices, such as USB 2.0 scanners and scans. A 4M picture only takes about 0.1 seconds, and the work efficiency is greatly improved.
USB supports devices according to different interfaces and data lines: mouse, keyboard, printer, scanner, camera, flash disk, mobile phone, digital camera, mobile hard disk, external optical floppy drive, USB network card , ADSL Modem , Cable Modem And other electronic products.