what is a USB connection
USB (Universal Serial Bus) is the most popular connection used to connect a computer to devices such as digital cameras, printers, scanners, and external hard drives.USB is a cross-platform technology that is supported by most of the major operating systems.On Windows, it can be used with Windows 98 and higher.SB is a hot-swappable technology, meaning that USB devices can be added and removed without having to restart the computer. USB is also âplug and playâ. When you connect a USB device to your PC, Windows should detect the device and even install the drivers needed to use it. There are two versions of USB.