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
BBC London BBC London BBC London is the BBC English Region producing local radio, television, teletext and online services in London and parts of the surrounding area. Its output includes the daily "BBC London News" and weekly "Sunday Politics" on television, the BBC Radio London radio station and local coverage of the London area on BBC Online and BBC Red Button. The region's headquarters are situated in the new eastern extension of Broadcasting House. The staple of the local television service is BBC London News which broadcasts daily on BBC One, appearing with short bulletins during "BBC Breakfast", after the "BBC News