smitharetha
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Search Engine to find answers to queries in a collection of information, which might be a library catalog or a database but is most commonly the World Wide Web.
Web search engine is a software system that helps in searching any information over the Internet. The search results are then generated using a line of results that is referred as the SERPs (search engine results pages). So a search engine generally is a list of documents where a list of keywords is found. Google, Firefox, Bing and Yahoo are some of the keywords that are most popularly used by the users to search for their information.