A search engine is a software system designed to search for information on the internet. It enables users to input queries and retrieve relevant data from a vast index of web pages, documents, images, videos, and other content available online. The main functions of a search engine include: 1. **Crawling**: Search engines use automated programs called crawlers or bots to scan and index the content of websites across the internet. These bots follow links from page to page to discover new content.
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