How google work
Google runs on a distributed network of thousands of computers and can therefore carry out fast parallel processing. Google has three distinct parts Googlebot, Google’s Web Crawler Googlebot is Google’s web crawling robot, which finds and retrieves pages on the web and hands them off to the Google indexer Google Indexer This index is sorted alphabetically by search term, with each index entry storing a list of documents in which the term appears and the location within the text where it occurs Google Query’s Processor The query processor has several parts, including the user interface (search box), the “engine” that evaluates queries and matches them to relevant documents, and the results formatter