Quick Guide: Broadband
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What is it?

How does it work?

Broadband and dial-up compared

Applications

Wider competition

The future

How does it work?
Broadband capacity revolutionised internet and telecoms services

ADSL uses technology which allows data to be carried alongside normal calls on standard telephone lines.

Cable broadband is carried via optic fibres, which also provide digital TV and telephone services.

In each case, the data is carried along lines or cables that have more capacity than conventional ones.

Access speed is measured in bits per second: 512 kilobits (512k) is 10 times the speed of dial-up; 1 megabit (1mb) is 20 times faster.