USB is the most widely used external bus standard in the PC field. It is used to standardize the connection and communication between the computer and external devices. The USB interface supports the plug-and-play and hot-swap functions of the device. With the rapid development of computer hardware, the application of USB has increased the speed of data transmission between external devices. The greatest benefit to users is that the increase in speed means that users can use more efficient external devices, such as USB 2.0 scanners. A 4M picture only takes about 0.1 seconds, and the work efficiency is greatly improved.
According to different interfaces and data lines of USB, supported devices: mouse, keyboard, printer, scanner, camera, flash disk, MP3 player, mobile phone, digital camera, mobile hard disk, external optical floppy drive, USB network card, ADSL Modem, Cable Modem and other electronic products.
