Why do some modern computers still have Serial ports?
a connection port on a computer acts as an interface or simply a communication point between the computer and other peripheral devices through which data can be transferred to andDifferentiate USB 2.0 and USB 3.0
usb 3.0 has better speed communication standards and more efficient power management than usb 2.0. to help you better understand usb 2.0 and usb 3.0 and how to distinguish it,