Glossary of Terms and acronyms

Near Video on Demand:
Currently used to describe a staggered transmission of a single TV programme such as a film. In the digital environment, a film may be transmitted on different channels at a staggered 20 minute start. Thus a consumer has a choice of when he/share can start watching the film.

Network Access Point (NAP):
These are points on the Internet where national ISPs connect with each other to move traffic on and off Internet backbone. NAPs include MAE East and MAE West in the USA, LINX (London Internet Exchange) and SIX (Singapore Internet Exchange).

Network PC:
New concept of personal computer which involves using a link to a server on which virtually all the software and data are stored. The aim is to reduce the cost of the PC because it needs less memory and processing power and no hard disk.

Noise:
Any unwanted and unmodulated energy that is always present to some extent within any signal.