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Google's repository contains over 8 billion webpages, and its search results are delivered within a half of a second. Google achieves these amazing results by using over a 10,000 computers that are scattered around the world.The History of Google Google was established by Larry Paige and Sergey Brin, two Stanford university students, who started developing a search engine that focused on analyzing the links between webpages. This was when they named their search engine Google, which is a pun of the number googol (number 1 followed by a hundred zeroes). Business - Directory of business/finance/loan/mortgage related partner sites Computers - Directory of computer hardware/software/peripheral related partner sites Internet - Directory of webhosting/webdesign/internet marketing related partner sites Software - Directory of software related partner sites Web Design - Directory of web design/development related partner sites Web Hosting - Directory of web hosting related partner sites Web Promotion - Directory of search engine optimization/internet marketing related partner sites Web Resources - Directory of other web related partner sites Recreation - Directory of travel/hotel/cruise related partner sites Casino - Directory of online gambling/poker/blackjack/roulette related partner sites Health - Directory of online pharmacy/hospital/health related partner sites Shopping - Directory of online shopping/gift related partner sites Miscellaneous - Directory of all other partner sites The computers used by the Google search engine are divided to data centers that are distributed around the world. The exact number of computers is not clear, but there are 15 data centers. Every data center contains thousands of computers that are used for the calculations of the search results. Each data center has its own unique IP address.When a user performs a search on Google, it receives the search results from one of these data centers. The data center that sends the search results is determined by one of four DNS servers operated by Google which are named ns1.google.com through ns4.google.com. These servers have an important role in the search engine load distribution and in case of technical problems. When you type www.google.com on the Explorer, the DNS servers translate the URL to one of the data centers' IP address.
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