A search engine is a system or software that generates hyperlinks to websites in response to a query inputed by a user. A user looking for a particular web page types in a word or phrase into the search bar of the engine. The search engine then lists out relevant web pages related to the users intent. A search engine is basically an index of websites or webpages. It is a database of information that has been collected and stored, and can be searched. Several search engines exist today , but Google is the dominant one. A Brief History of Search Engines At first, Search engines had a process of manual indexing of web pages by hand. When a new site was created, it had to be submitted to the index to be listed, but as more websites and webservers came online, this method of indexing became inefficient. The switch to an automatic system for indexing new webpages, websites, and webservers was necessary. Modern search engines now use web crawlers (also know...