Apparatus for data communications between computers; Apparatus for linking computers; Apparatus for linking computers into networks; Cases adapted for computers; Compact disc players for use with computers; Component parts for computers; Components for computers; Computers; Data storage apparatus for computers; Devices for use in the networking of computers; Electric devices for transmission of data between computers; Electric leads for use with computers; Electrical cables for connecting computers; Electrical communications apparatus for use with interconnecting computers; Electrical connectors for connecting laptop computers to telephone lines; Electrical data input apparatus for use with computers; Electrical data output apparatus for computers; Electronic memories for computers; Electronic memory units for computers; Fibre optics communications installations for use with computers; Home computers; Input devices for computers; Installations for use in the networking of computers; Keyboards for use with computers; Laptop computers; Linking units for computers; Magnetic disks for computers; Memories for use with computers; Mice for computers; Monitors for use with computers; Notebook computers; Peripheral sharing devices for computers; Personal computers; Personal home computers; Plastic insulated cables (electric) for computers; Portable computers; Power supplies for computers; Tablet computers; Telecommunications apparatus for transferring data to computers; Work stations (computers)