Active monitor . A node on a Token-Ring network that periodically sends out a signal to check that the network is free of errors. Usually the first computer to come online on a network. Also known as an expansion card, this piece of hardware plugs into an expansion slot in your computer and is used to communicate with an external device, such as a hard drive or monitor. address. A memory location in the computer.
Items stored in memory have a memory address.
The agency responsible for the formation of the forerunner of the Internet. An alias lets you reference a file that may look as if it's right in front you, but could be anywhere. aliasing. When referencing multimedia terminology, aliasing is a term used to describe the unpleasant jaggy appearance of unfiltered angled lines. A signal with an infinite number of states, rather than just 1's and 0's. Voice, telephone, and television are examples of analog signals.