1. Unlike structured databases, Viewdata is useful for a great variety of written source materials.

2. However, in contrast to teletext, the viewdata system is available only to subscribers and is an interactive system.

3. Martin describes the principles of the viewdata sets and the different components of the viewdata service.

4. British Association of Viewdata Information Providers?

5. The British public viewdata service .

6. The venture aims to provide service for applications resulting from the merging of telecommunications and computing technologies, such as ISDN and viewdata.

7. In addition, there were local initiatives such as Club 403 which attempted to provide viewdata to domestic consumers in a limited geographical area.

8. Please note that car hire is not bookable on Viewdata.

9. The friendly postman will be athing of the p ast as the postal service and letters disappearwith the electronic mail received via viewdata screens.

10. At present, MPEG2 has become the most prevalent coding technique, which is mainly used for the transmission of speech data and viewdata.

11. In communications, the use of domestic terminal , e . g . , viewdata, to order goodsfrom a supplier.