The USB cable is now more and more widely used, convenient to carry, and transfer data fast and stable. It is widely used and can transfer data easily, quickly and stably, and supports all types of computers; the disadvantage is that the price of ICs is slightly higher, and some data lines do not support the flashing function. 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 transmission between external devices. The biggest 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, which greatly improves work efficiency.
