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...world, user equipment (UE) is the term used for this part of the network. This section is concerned with three widely used access networks: DSL broadband, which is currently the most widely used form of fixed-line broadband; fourth generation (4G) mobile broadband; WiFi. Other forms of access, which this section does not look at, include: third generation (3G) mobile...

...world has developed its own practices that draw on risk methods for financial management. There are also examples in the biological and health fields. It was not until the 1960s when military and space requirements became increasingly demanding that risk analysis was formalised into a practical discipline to deal with complicated situations. At that point, attention moved...

...world wide web. I hope you will agree that this is a fascinating field, and that you will be encouraged to study it further...Digital communications: Conclusion - The building blocks of a basic optical-fibre communications link are the modulated light source, the fibre and the detector. There are choices to be made between different types of light source and fibre, with...