SEARCH ENGINES

SEARCH ENGINES
A search engine is an interactive tool to help people locate information available via the WWW.  Search engines are actually databases that contain references to thousands of resources.  User interacts with the database, submit questions and ask the database if it contains resources that match a specific criterion.
There are many search engines available on the web.  A web search engine presents the user with a place to type in a search string, which may be a word, a phrase, a date, or some other criterion, and a way to submit the request. After the user gives the search string the search engine searches and returns a list of resources that match the criteria. Some of the popular search engines are
Yahoo!, Google…, MSN, Rediff, etc