The Universal Serial Bus (USB) is a standard for connecting devices to computers and other electronics. It allows for data transfer and power supply between devices like printers, cameras, and smartphones. USB ports are commonly found on computers, laptops, and chargers, making it easy to connect and communicate with various peripherals. USB has evolved over the years, with different versions such as USB 2.0, USB 3.0, and USB-C. Each version offers improvements in speed and functionality. The versatility of USB has made it a widely adopted interface for both personal and professional use, simplifying the way we connect and power our devices.