Major Atbest Search Engines - Search engines could be defined as computer software program designed to help users of the Internet locate information on the World Wide Web. It collects and indexes Internet resources ( Web pages, Usenet Newsgroups, programs, images, etc. ) and provides a keyword search system allowing the user to identify and retrieve resources. There are many search engines available and each is different in their scope, search protocols, and appearance. Major search engines are: Alta Vista, Google, Yahoo, Excite, Lycos, and HotBot.