Search engine usually have their own database of sites they craw and list in their database, for example Google, Yahoo, Ask. Meta Search Engines usually do not have their own database of crawled sites, they search the databases of real search engines, usually many search engines at the same time, and provide you results. So a meta search engine will give you results from say Yahoo and Google, some meta search engines do have database of sites submitted to them. Example of a meta search engine is DogPile.
For one thing the search engine is on the computer
The biggest search engine right now is Google.
The internet is a means of connecting computer resources it is NOT the biggest search engine. Search engines are IT applications attached TO the internet.
That type of engine is called a spider, and the search engine Dogpile works in this way.
One of the best search engines to search for people is Bing.
One of the best search engines to search for people is Google.
If only one search engine with different browers, traffic and delays will be experienced.
No doubt GOOGLE is the biggest Search engine
One can find information on local search-engines on the website 'Search-Engine Land'. Information is also available through 'Wikipedia' and on 'Search-Engine Watch'.
Mechanical energy is supplied to a generator from an engine, a steam turbine for example, and converted to electrical energy
All the Internet is the biggest and best search engine on the Internet. It combines Google, Bing, Yahoo, Yandex & Wikipedia into one search engine. So it 3x the size of the Google search index.