A data cable is a type of electrical cable used to transmit data between devices. Commonly used in computers, smartphones, and other electronic devices, these cables facilitate communication by connecting hardware components. Examples include USB cables, HDMI cables, and Ethernet cables, each serving specific purposes in data transfer. Data cables come in various types and sizes, depending on the technology and speed required. They can support different data rates, ranging from slow connections for basic tasks to high-speed connections for demanding applications like video streaming or gaming. Proper selection of a data cable is essential for optimal performance.