Add-in cards for micro computers; add-on-cards for computers; apparatus for inputting information into a computer; cases adapted for computers; circuit boards for use with computers; circuit boards for use with computers; component parts for computers; components for computers; computer add-on boards; computer apparatus; computer apparatus for personalising; computer based apparatus for the implementation of electronic circuits; computer based apparatus for the implementation of printed circuit boards; computer buses; computer cables; computer cases; computer central processing units; computer cards containing chips; computer chips; computer circuit boards; computer circuits; computer components; computer design hardware; computer hardware; computer housings; computer interface apparatus; computer interfacing apparatus; computer interface devices; computer interfaces; computer mice; computer modules; computer mouses; computer peripheral apparatus; computer peripheral devices; computer peripheral equipment; computer peripherals; computer programming units; data storage apparatus; computer sub-assemblies; computers and electronic processing units; electrical cables for connecting computers; electric leads for use with computers; electronic computer apparatus; external computer hard drives; housings for computers; input apparatus for computers; input apparatus for use with computers; input devices for computers; insert cards (printed circuit boards) being parts of computers; interface boards for computers; interface cards for computers; internal cooling fans for computers; mats for use with a computer mouse; mice for computers; miniature hard disk drive storage units on a plug-in card being computer apparatus; mouse mats for use with computer apparatus; shaped covers for computers; stands for computer equipment; wireless computer peripherals; wrist rests for use with computers; computer cards, encoded; computer cards, magnetic; computer graphics cards.