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1 day ago · An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...
30 minutes ago · The word "lol" sent via iMessage. Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile devices, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also ...
1 day ago · Central Security Service. v. t. e. The United States Army ( USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution. [14] The Army is the oldest branch of the U.S. military and the most senior in order of ...
1 day ago · The Endangered Species Act of 1973 ( ESA or "The Act"; 16 U.S.C. § 1531 et seq.) is the primary law in the United States for protecting and conserving imperiled species. Designed to protect critically imperiled species from extinction as a "consequence of economic growth and development untempered by adequate concern and conservation", the ESA ...
1 day ago · Politics portal. v. t. e. The American Revolution was a rebellion and political movement in the Thirteen Colonies which peaked when colonists initiated an ultimately successful war for independence against the Kingdom of Great Britain.
