Q4. What do you understand by search engines? What are they used for? Name any five search engines.
Ans. Search engine refers to the software used to search information from the Internet according to a specified criterion. Without search engines, finding relevant information from the colossus Internet would be a painstaking and cumbersome task.
Some popular search engines are Google, Yahoo, MMSN, AltaVista, Look Smart, and Netscape.