What is USB ?

USB is an abbreviation for Universal Serial Bus and is a standard for connecting peripheral devices to personal computers. Depending on the shape of the connector, there are types such as USB-A, USB-B, Micro-B, Type-C. With the communication speed, as the USB 1.1, 2.0, 3.0, 3.1 becomes higher, speedup has progressed further enabling enormous capacity data transfer.