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12 hours ago · Language, music, and mathematics courses and language assessment. Duolingo, Inc., [b] is an American educational technology company that produces learning apps and provides language certification. Duolingo offers courses on music, [5] math, [6] and 43 languages, [7] ranging from English, French, and Spanish to less commonly studied languages ...
12 hours ago · This is an accepted version of this page This is the latest accepted revision, reviewed on 2 October 2024. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
12 hours ago · IBM was founded in 1911 as the Computing-Tabulating-Recording Company (CTR), a holding company of manufacturers of record-keeping and measuring systems. It was renamed "International Business Machines" in 1924 and soon became the leading manufacturer of punch-card tabulating systems.
12 hours ago · John Stuart Mill (20 May 1806 – 7 May 1873) [1] was an English philosopher, political economist, politician and civil servant. One of the most influential thinkers in the history of liberalism, he contributed widely to social theory, political theory, and political economy.
12 hours ago · Food security is the state of having reliable access to a sufficient quantity of affordable, nutritious food. The availability of food for people of any class and state, gender or religion is another element of food security. Similarly, household food security is considered to exist when all the members of a family, at all times, have access to ...
12 hours ago · Party-list PR is the most commonly used version of proportional representation. Voters cast votes for parties and each party is allocated seats based on its party share. Some party-list PR systems use overall country-wide vote counts; others count vote shares in separate parts of the country and allocate seats in each part according to that specific vote count.
12 hours ago · The Iranian Revolution (Persian: انقلاب ایران, Enqelâb-e Irân [ʔeɴɢeˌlɒːbe ʔiːɾɒːn]), also known as the 1979 Revolution, or the Islamic Revolution of 1979 (انقلاب اسلامی, Enqelâb-e Eslâmī) [4] was a series of events that culminated in the overthrow of the Pahlavi dynasty in 1979. The revolution led to the ...
