BT glossary - X

This glossary is here to help you understand some of the acronyms you may encounter in this site. Select a letter below that your word begins with.

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Abbreviation Term Definition



A type of packet switched network used extensively by PNOs for public services and popular for transaction based private networks.



Generic term for a variety of digital subscriber line techniques that allow wide and narrowband signals to be sent down normal telephone wires. A 32-bit processor or operating system is one which handles the data it operates on (and the instructions telling it what to do with the data) in 32-bit wide units, allowing it to process work faster and more efficiently.