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  2. Internet - Wikipedia

    en.wikipedia.org/wiki/Internet

    e. The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of ...

  3. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic.

  4. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    Linux systems adhere to POSIX, SUS, LSB, ISO, and ANSI standards where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT. Free software projects, although developed through collaboration, are often produced independently of each other. The fact that the software licenses explicitly permit redistribution ...

  5. Michigan English Test - Wikipedia

    en.wikipedia.org/wiki/Michigan_English_Test

    The Michigan English Test ( MET) is a multilevel, modular English language examination, which measures English language proficiency in personal, public, occupational and educational contexts. [1] It is developed by CaMLA, a not-for-profit collaboration between the University of Michigan and the University of Cambridge and has been in use since ...

  6. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    The Beulé Gate is a fortified gate leading to the Propylaia of the Acropolis of Athens, Greece.It was constructed largely of repurposed material taken from the 4th-century BCE Choragic Monument of Nikias and integrated into the Post-Herulian Wall, a late Roman fortification built around the Acropolis in the years following the city's sack by the Germanic Heruli people in 267 or early 268 CE.

  7. Backpropagation - Wikipedia

    en.wikipedia.org/wiki/Backpropagation

    t. e. In machine learning, backpropagation is a gradient estimation method used to train neural network models. The gradient estimate is used by the optimization algorithm to compute the network parameter updates. It is an efficient application of the Leibniz chain rule (1673) [1] to such networks. [2]

  8. Game theory - Wikipedia

    en.wikipedia.org/wiki/Game_theory

    t. e. Game theory is the study of mathematical models of strategic interactions among rational agents. [1] It has applications in many fields of social science, used extensively in economics as well as in logic, systems science and computer science. [2] Initially game theory addressed two-person zero-sum games, in which a participant's gains or ...

  9. India - Wikipedia

    en.wikipedia.org/wiki/India

    India has been a member of World Trade Organization since 1 January 1995. The 522-million-worker Indian labour force is the world's second-largest, as of 2017. The service sector makes up 55.6% of GDP, the industrial sector 26.3% and the agricultural sector 18.1%.

  10. Tier 1 network - Wikipedia

    en.wikipedia.org/wiki/Tier_1_network

    A Tier 1 network is an Internet Protocol (IP) network that can reach every other network on the Internet solely via settlement-free interconnection (also known as settlement-free peering ). [1] [2] Tier 1 networks can exchange traffic with other Tier 1 networks without paying any fees for the exchange of traffic in either direction. [3]

  11. Apollo 1 - Wikipedia

    en.wikipedia.org/wiki/Apollo_1

    Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, [1] the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital test of the Apollo command and service module.