Usually using AND can be used to find more specific information by combining the keywords. OR can also be used to let it know that one finds either term acceptable.
Webcrawler
It is known as a meta-search engine.
I think a meta-search engine uses another search engine/s to to look for its results so it does not have necessarily have to crawl and index all the Internet web pages.
NO! You need an installable snippet of code in your browser to select your search engine to search automatically in your favorite search engine in the browser.
Chrome uses Google as it's default search engine. Google is the biggest search engine and is free.
a megasearch engine is a search engine that uses many other search engines to find the best information (sites like dogpile.com and bing.com)
A gateway is a group of librarians and researchers. A search engine is designed to search the internet for information.
they all do. spiders are how search engines find sites and determine what the site is about.
Dogpile.com
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Hotmail uses Bing as a search engine. Actually, hotmail search option works for email searching but the basic concept comes from Bing.
Bangladesh's first search engine is webbangladesh.com but i have to recommend a much better search engine made here in Bangladesh it is new and uses all the other popular search engines.it is http://www.pixel.orgfree.com/pixel.html