The term computer appliance is a generic term for a class of computer devices that come pre-packaged and pre-wired from the factory with special features and functionality pre-configured and ready to use with only minimal setup. There are several types of devices that fall into this category such as storage appliances, network appliances, security appliances, anti-virus appliances and so forth. You can find this new tutorial I’ve written in my Tutorials section, under Computers as computer appliances.