A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor. The light pen works well with CRT monitors because of the way such monitors scan the screen, which is one pixel at a time, giving the computer a way to...
Tim Berners-Lee deserves praise for putting together the World Wide Web, but others can take credit for giving him the idea.
World Wide Web (WWW)
Andrew Beattie has spent most of his career writing, editing and managing Web content in all its many forms. He is especially interested in the future of search and the application of analytics to the business world. Full Bio
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