Ultrix
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This was DEC’s first attempt at
Unix. Very old school.
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UML
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Unified Modeling Language. It
defines the principal techniques associated with OO.
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UMTS
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Universal Mobile
Telecommunications System. Third generation mobile phone technology.
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Unbundling
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Local loop unbundling. A
regulatory process to ensure both national and local carriers can deliver
customer services from the telephone exchange. Previously the national
carrier was not obliged to share access to the customer. Thus local loop
unbundling provides customers with options.
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Unix
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A popular family of operating
systems, due to its availability on more than one hardware platform. The
different versions of Unix that exist are referred to as ‘flavours’. In the
commercial world, Unix can be found on servers. In the homes of technologists
it can be found on PCs.
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Unixware
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A flavour of Unix created by
Novell and AT&T. It is now maintained by SCO Group. Old school.
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User interface
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The part of the application that the
user interacts with. It can be a simple Dos prompt (a black screen with C:/
in the bottom left corner). This is also known as a Command Line Interface.
More usually it is a GUI (Graphical user interface) allowing the user to
point, click and drag icons using a mouse.
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Utility computing
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An emerging theme in respect of
how software services are delivered to the customer. Also known as ‘on
demand’ computing. Imagine a world where computing resources were available
‘on tap’ much like water, gas and the phone. So in part you pay a fixed rate
for the IT services, and in part you pay for what you use. Outsourcers are
using this model to align their pricing with the needs of their customers.
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