A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

upload	To copy a file from your computer onto a storage device, especially if the device is another computer.
UPS	Uninterruptable Power Supply. A device that supplies power to your computer if the power goes off, allowing you time to shut down your computer normally, without losing data.
URL	Uniform Resource Locator. A standard for specifying something, such as a file, graphic, or newsgroup, on the Internet or World Wide Web. URL's are also used to specific the target of a hyperlink.