 The display supplied with the unit (both the Teleputer 1 and 3) was a modified Rediffusion 14 inch portable colour television, with the tuner circuitry removed and being driven by a RGB input.The unit had a 64Kb onboard memory which could be expanded to 128Kb with a plug in card.Graphics were the standard videotext (or teletext) resolution and colour, but a high resolution graphic card was also available.