Standard USB, or Universal Serial Bus, is a widely used technology for connecting devices to computers and other electronics. It allows for data transfer and power supply between devices like smartphones, printers, and external hard drives. The standard has evolved over time, with different versions such as USB 2.0, USB 3.0, and USB-C, each offering improvements in speed and functionality. USB connectors come in various shapes and sizes, including Type-A, Type-B, and Micro-USB. The versatility of USB makes it a popular choice for charging devices and transferring files, simplifying the way we connect and interact with technology in our daily lives.