Many ISPs provide Web or storage space on their servers so that users can publish their own HTML documents or Web sites on the Internet for other Internet users to browse. Space is usually measured in Megabytes. An integral part of a Graphical User Interface, the concept of the window has made computers easier to use for non-technical users. The process of transmitting voice or data via radio. Wireless communication is set to revolutionise technology as new devices incorporating radio antennae enable users to make phone calls, send and receive email and faxes and access the Internet without having to plug into a phone socket.
Wireless transmission offers true mobile computing.
World Wide Web WWW or the Web are terms used to describe the information network that has developed on the Internet. Comprising HTML documents linked together, millions of individuals and organisations have developed Web sites, which like mini-databases contain information about themselves, their products or anything. A worm is a self-replicating virus program that can spread very quickly across the Internet and computer systems as an email attachment or can navigate its own way through the security flaws in a network. As it reaches a new machine, the worm can execute itself to cause disruptive damage or can replicate itself and spread to other linked machines, generating so much data traffic that it clogs up networks. In computing terms, the moment of changeover from 31st December 1999 to 1st January 2000 threatened a potential calamity due to the Year 2000 or Y2K problem, also known as the Millennium Bug.