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12 Facts About Ceefax
In 1983, Ceefax started to broadcast computer programs, known as telesoftware, for the BBC Micro .
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Basic technology of Ceefax remained compatible with the 1976 unified rollout; system elaborations in later years were made such that earlier receivers were still able to do a basic decode of pages, but would simply ignore enhanced information rather than showing corrupted data.
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Ceefax was the last remaining text service available via analogue TV transmissions in the UK, as ITV and Channel 4's Teletext service closed in December 2009.
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Pages from Ceefax was a selection of content from the Ceefax service and normally only shown in the absence of any other programming.
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Limited set of rolling pages shown on Pages from Ceefax had been accessible at any time of day on teletext-equipped televisions on page 198 and 298, moving to page 196 in November 1992 and to page 152 in November 1996.
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In late 1989 the Ceefax service was relaunched as a news-focused service and the in-vision sequence became a news only service plus a weather forecast.
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In-vision Ceefax was first shown in March 1980, originally in 30-minute slots and by 1983 it was a common filler during daytime downtime.
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