Full Form of USB:
USB stands for Universal Serial Bus. It is a standard cable connection interface used in the computer industry to connect various devices to a computer.

Key Points about USB:
- Universal: As the name suggests, USB is a universal interface that can connect a wide range of devices to a computer.
- Serial: USB is a serial bus, which means it transfers data one bit at a time over a single wire.
- Bus: USB is a bus because it is capable of connecting multiple devices to a single port on a computer.

Details about USB:
USB was first introduced in the mid-1990s as a way to standardize connections between computers and devices such as keyboards, mice, printers, and external storage devices. Over the years, USB has undergone several revisions, with the latest version being USB 3.1, which offers faster data transfer speeds and more power delivery capabilities.
USB cables come in different shapes and sizes, with the most common being Type-A, Type-B, and Type-C. Each type of USB cable is designed for specific purposes, such as charging, data transfer, or connecting peripheral devices.
USB has become the standard connection interface for most devices due to its ease of use, versatility, and compatibility across different platforms. It has replaced older connection interfaces like serial and parallel ports, making it the go-to choice for connecting devices to computers.