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19 hours 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 ...
19 hours ago · The global African diaspora is the worldwide collection of communities descended from people from Africa, predominantly in the Americas. [39] The African populations in the Americas are descended from haplogroup L genetic groups of native Africans. [40] [41] The term most commonly refers to the descendants of the native West and Central ...
