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Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Twitter Type of site Social networking service Available in Multilingual Founded March 21, 2006 ; 18 years ago (2006-03-21), in San Francisco, California, U.S. Area served Worldwide, except blocking countries Owner Odeo (March–October 2006) Obvious Corporation (2006–2007) Twitter, Inc. (2007–2023) X Corp. (2023–present) Founder(s) Jack Dorsey Noah Glass Biz Stone Evan Williams Chairman ...
A learning management system ( LMS) or virtual learning environment ( VLE) is a software application for the administration, documentation, tracking, reporting, automation, and delivery of educational courses, training programs, materials or learning and development programs. [1] The learning management system concept emerged directly from e ...
A massive open online course ( MOOC / muːk /) or an open online course is an online course aimed at unlimited participation and open access via the Web. [1] In addition to traditional course materials, such as filmed lectures, readings, and problem sets, many MOOCs provide interactive courses with user forums or social media discussions to ...
ASCII ( / ˈæskiː / ⓘ ASS-kee ), [3] : 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices.
Overall, a basic telecommunication system consists of three main parts that are always present in some form or another: A transmitter that takes information and converts it to a signal; A transmission medium, also called the physical channel, that carries the signal (e.g., the "free space channel")
Wikipedia began as a complementary project for Nupedia, a free online English-language encyclopedia project whose articles were written by experts and reviewed under a formal process. It was founded on March 9, 2000, under the ownership of Bomis , a web portal company.
World Wide Web The historic World Wide Web logo, designed by Robert Cailliau. Currently, there is no widely accepted logo in use for the WWW. Year started 1989 ; 35 years ago (1989) by Tim Berners-Lee Organization CERN A web page from Wikipedia displayed in Google Chrome The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through ...