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This list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet. A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [1]
Returns webpages that belong to the specified site. To focus on two or more domains, use a logical OR to group the domains. You can use site: to search for web domains, top level domains, and directories that are not more than two levels deep. You can also search for webpages that contain a specific search word on a site.
95% of the area under the normal distribution lies within 1.96 standard deviations away from the mean. In probability and statistics, the 97.5th percentile point of the standard normal distribution is a number commonly used for statistical calculations. The approximate value of this number is 1.96, meaning that 95% of the area under a normal ...
Gmail is the email service provided by Google.As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application.
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Defunct (July 8, 2013. ( 2013-07-08) ) [1] AltaVista was a Web search engine established in 1995. It became one of the most-used early search engines, but lost ground to Google and was purchased by Yahoo! in 2003, which retained the brand, but based all AltaVista searches on its own search engine. On July 8, 2013, the service was shut down by ...
Inc. [3] was an American multinational technology company headquartered in Sunnyvale, California. Yahoo was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. [4] [5] Yahoo was one of the pioneers of the early internet era in the 1990s. [6] Marissa Mayer, a former Google executive, served as CEO and ...
Fold change. Fold change is a measure describing how much a quantity changes between an original and a subsequent measurement. It is defined as the ratio between the two quantities; for quantities A and B the fold change of B with respect to A is B / A. In other words, a change from 30 to 60 is defined as a fold-change of 2.