Some search engines also mine data available in databases or open directories. The information may be a mix of links to web pages, images, videos, infographics, articles, research papers, and other types of files.
The results are then ranked by relevancy and displayed to the user.
When a user enters a query into a search engine, the engine scans its index of web pages to find those that are relevant to the user's query. The search results are generally presented in a line of results, often referred to as search engine results pages (SERPs). They search the World Wide Web in a systematic way for particular information specified in a textual web search query. The results of a search for the term "lunar eclipse" in a web-based image search engineĪ search engine is a software system designed to carry out web searches.
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