BBC Micro depth, resolution and memory economy. In the first models, the OS and applications were left with the RAM left over from the display mode. Mode 7 was a Teletext mode, extremely economical on memory and an original requirement due to the BBC's own use of broadcast teletext (Ceefax). It also made the computer useful as a Prestel terminal. The teletext characters were generated on board, for use with monitors and TV sets without a Teletext receiver. Train time displays at UK stations were driven by BBC Master computers in this mode until around the late 1990s. Mode 7 used only
The Forum (BBC World Service) frequently entertaining and insightful. The 60 Second Idea and the discussion it produces is released as a podcast. The first episode of the show was broadcast on the BBC World Service 6 April 2008. It has been broadcast every week since then. The programme's presenter, who has been part of the show since its inception, is former BBC diplomatic correspondent Bridget Kendall. "The Forum" is broadcast through the BBC World Service and its international broadcasting partners. The show is also available online, to download and as a podcast. All previous shows are archived online. Previous guests include: The Forum (BBC