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
MediaCorp Teletext was initially launched. It was later expanded to Channel News Asia when the channel was launched on 1 March 1999. Teletext Classifieds was shut down on 1 September 2012. On 3 September 2013, MediaCorp announced that the service will be discontinued from 30 September 2013 due to “declining usage”. Teletext was provided on three MediaCorp channels, with each channel specialising in specific types of information. Teletext on Channel 5 specialised in entertainment and lifestyle information, Classifieds on Channel 8 and business information on Channel News Asia. When the service was still online, the Teletext versions of all three channels were