What are search engines and its uses?

Search engines are web sites that store information and distribute information based on key words. You can use search engines to find information on just about anything.

Search engines send crawlers through out the internet to crawl information from websites and then through special algorithms provide organized results for search queries.

The most commonly used search engines are : Google.com, Yahoo.com, Avasearch.com, Bing.com, Clasearch.com, ASK.COM , Aol.com , Cuil.com and Dogpile.com