Northern Ireland is the smallest of the four countries of the United Kingdom in terms of both area and population, containing 2.9% of the total population and 5.7% of the total area of the United Kingdom.
If you are using a wireless mouse with a USB connector and a PS/2 keyboard, verify that the USB mouse is plugged in a USB port on the computer and that the purple keyboard PS/2 plug is connected to the purple PS/2 port on the computer.
USB is used for peripherals like keyboards, printers, scanners. Eventually, it expanded to flashdrives and harddrives. No keyboard or printer could ever use more than USB 2.0 bandwidth. No conventional hardrive can output data transfer speeds that are greater than eSATA 3.0 gbps.