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.
If you are a iPad user and you want to use wireless mouse then learn here simple steps how to use wireless mouse with iPad. Before the advent of iPad everyone was content lugging around the comparatively huge and bulky laptop. Once iPad came it became more convenient to use the iPad rather than the laptop.