Search engine also known as search engine is a type of software that organizes data indexes based on the keywords used by the user. The user enters certain keywords, the search engine performs a search and presents a list of URL addresses and the user can access the most relevant file for him.
The most popular search engines are: google, yahoo, bing, msn, among others.
There are various search engines such as; Search indexes a group of individuals create the database, that is, individuals track the network in search of pages. Search indexes are classified by categories or subcategories according to their content, example of the search in this type of search engine, the user to search for information of the Xochimilco Ecological Park located in Mexico must click on certain categories or subcategories as recreation, then the park subcategory and, for sure, in the latter you will find some informative link about what you are looking for. Instead, search engines The tracking is done by a program called web spider, the program while visiting the web pages creates a database that relates the address of the page with keywords.
Metasearch engines do not have a database used by other search engines and thus present results from user searches.
The word search engine also refers when the program tracks the information that is searched on a local hard drive such as a computer, Tablet.
However, there are specific search engines such as people search, hotel search, flight search that allow the user to quickly and easily find all the information they need and meet their needs.
Likewise, search engine means that you search, for example, the job search engine. In the same way, it is used as an adjective to indicate the person who provokes the discussion or fight through his speech as “Juan is a fight seeker is always talking about things he should not.”
However, the search engine is a small field lens that creates a body in order to facilitate the aim.