language. It effectively converges your television into a form of computer so that it can

connect to the Internet, receive interactive programmes and carry many more channels.

There are three ways that digital transmissions can be received - through your TV aerial, via

a satellite dish and via cable. You will need a set-top box to decode the digital signals and

receive digital television. Before digital TV, there was analogue television. Analogue

broadcasting began in the 1940’s and 1950’s. This converts sound and pictures into waves,

which are transmitted through the air and received by your indoor aerial. Sky digital is the

main digital broadcaster in Britain.

In 1989 BSB ( British Satellite Broadcasting ) was due to go on air, but was eventually

opened during the Spring of 1990. The delay gave Rupert Murdoch's analogue service Sky

Television the opportunity to build up an audience ahead of BSB's opening and eventually in

December 1990, the two services "merged" under the renamed British Sky Broadcasting. In

1998 Sky digital launches, offering viewers a choice of over 140 channels. M

The effects of satellite and digital technology are mainly positive. The reason for this is that

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