UBE / UCE :
Stands for Unsolicited Commercial Email (UCE) or Unsolicited Bulk Email (UBE). They are both forms of Spam.
Update :
An update is Software that fixes problems or prevents them from occuring. A lot of Software has its own automatic Update procedure, or Updates are available from Software manufacturers websites.
Upgrade :
An Upgrade is an improvement on Software. It is distinguishable from an Update by introducing new features and benefits, rather than just fixing problems and Bugs.
Upload :
The transfer of data from a computer or Network on to the Internet, as opposed to Download.
URL :
Stands for Uniform Resource Locator, or more commonly known as a web address. Used to find a specific part of the Internet. An example of a URL is www.kamarincomputers.co.uk.
USB :
Stands for Universal Serial Bus. A common way of attaching Peripherals to your computer, such as digital cameras and scanners. USB2.0 is the latest version, developed in partnership by Hewlett-Packard, Intel, Lucent, Microsoft, NEC and Philips, and can deliver speeds of up to 480Mbps.