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USB cables are designed for wired communication between two devices. We can use them to quickly and easily connect peripheral devices such as camera, speakers, printer, keyboard or computer mouse to a computer, network charger or TV. With USB cables we can extend the capabilities and functionality of a laptop or desktop computer in many directions, as well as transfer data from one device to another. Communication between them does not require installation of extra drivers, which is a great convenience and advantage of this solution. The work of USB cables is based on the host principle, which is responsible for verifying the used mode of information exchange between two devices. The collected data is used to give appropriate addresses to the connected devices. On the cable we can find four cables, two of which are responsible for data transmission. In the case of newer generation cables there are eight of them, and data transmission is possible with four of them.