The Dana also lacks an Ethernet socket and a built-in modem, the two components most people use to get online.

The ST530 only provides 1 Ethernet socket, but can also be connected through USB.

A Model A for $25 (£16) which lacks a network connector and a Model B for $35 (£22) which does have an Ethernet socket.

The MainLan cards in the What Personal Computer system had both types of Ethernet sockets, but came with thin Ethernet cables, so that's what we used.

There is also an Ethernet socket for Internet access, a powered USB port and an eSATA port which are currently disabled but may be enabled in the future for external storage.

Sky have created On Demand, which will combine Sky Broadband and Sky+ HD to offer a true on-demand service using the Ethernet socket of the Sky+ HD box and the Sky Broadband router.

It also includes an Ethernet outlet and a phone jack.

It is a speaker phone stuffed with computer memory and a powerful microprocessor that plugs in directly to the Internet using the Ethernet outlets found in many offices.