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About Search Engines

Search engines are handy tools that help you find what you're looking for on the Web.

Each search engine uses special software (called spiders or robots) to compile a database of pages found on the Web. When you submit a search, the search engine scans its own database to match your terms against terms in the pages of its database.

So, each search engine searches the part of the Web it has collected--not the whole Web--and each search engine has a somewhat different database of web pages.

Some examples of popular search engines are  

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